Name: Shintaro Imai
Country: Japan
Birthdate: 07.09.93, 30 years
ATP ranking: 580
TOP ranking's position: 290 (06.01.20, 137 points)
Points: 61
Prize money: 134294 $
Matches total: 442
Win: 281
%: 63.57 %
Country: Japan
Birthdate: 07.09.93, 30 years
ATP ranking: 580
TOP ranking's position: 290 (06.01.20, 137 points)
Points: 61
Prize money: 134294 $
Matches total: 442
Win: 281
%: 63.57 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 10/5 | 7/3 | 0/0 | 0/0 | 0/0 | 3/2 | 0/0 |
| 2023 | 5/4 | 5/4 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 30/14 | 29/13 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2021 | 21/19 | 13/18 | 0/0 | 8/1 | 0/0 | 0/0 | 0/0 |
| 2020 | 3/3 | 1/1 | 0/0 | 2/2 | 0/0 | 0/0 | 0/0 |
| 2019 | 51/24 | 47/22 | 0/0 | 4/1 | 0/1 | 0/0 | 0/0 |
| 2018 | 33/23 | 33/21 | 0/0 | 0/1 | 0/1 | 0/0 | 0/0 |
| 2017 | 41/24 | 35/21 | 4/1 | 1/1 | 1/1 | 0/0 | 0/0 |
| 2016 | 53/24 | 49/21 | 0/0 | 3/2 | 1/1 | 0/0 | 0/0 |
| 2015 | 15/8 | 12/6 | 0/0 | 1/1 | 2/1 | 0/0 | 0/0 |
| 2014 | 9/5 | 6/4 | 0/0 | 0/0 | 3/1 | 0/0 | 0/0 |
| 2013 | 10/6 | 10/5 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2012 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 281/161 | 247/141 | 4/1 | 20/10 | 7/7 | 3/2 | 0/0 |
| perc. % | 63.57 % | 63.66 % | 80 % | 66.67 % | 50 % | 60 % | 0 % |
Shintaro Imai / scheduled / last
| no matches found |
Shintaro Imai form / surface: Hard
Shintaro Imai / surface: Hard
| 05.04.24 | 1/4 | Sora Fukuda | Shintaro Imai | 6-2, 6-0 |  | match details |  M15 Kashiwa | Hard |
| 04.04.24 | 2nd round | Shintaro Imai | Leo Vithoontien | 6-3, 6-3 |  | match details | ||
| 02.04.24 | 1st round | Shintaro Imai | Kokoro Isomura | 6-3, 6-2 | | match details | ||
| 04.02.24 | q 1 | Alexander Klintcharov | Shintaro Imai | 6-3, 6-4 | | match details |  Burnie 2 | Hard |
| 03.02.24 | 1/2 | Omar Jasika | Shintaro Imai | 7-5, 6-3 | | match details | Burnie 1 | Hard |
| 02.02.24 | 1/4 | Shintaro Imai | Luke Saville | 6-4, 7-64 | | match details | ||
| 01.02.24 | 2nd round | Shintaro Imai | Philip Sekulic | 6-79, 7-5, 6-3 | | match details | ||
| 30.01.24 | 1st round | Shintaro Imai | Kokoro Isomura | 2-6, 6-2, 6-3 | | match details | ||
| 29.01.24 | qual. | Shintaro Imai | Brandon Walkin | 6-3, 6-4 | | match details | ||
| 28.01.24 | q 1 | Shintaro Imai | Matthew Christopher Romios | 7-64, 6-1 | | match details | ||
| 20.12.23 | 1st round | Kousuke Ogura | Shintaro Imai | 2-6, 6-4, 2-0, Shintaro Imai - retired | | match details | M15 Yanagawa | Hard |
| 29.11.23 | 1st round | Thomas Fancutt | Shintaro Imai | 6-1, 1-6, 6-3 | | match details | M25 Gold | Hard |
| 26.11.23 | fin | Shintaro Imai | Blake Ellis | 6-4, 7-63 | | match details | M25 Brisbane | Hard |
| 25.11.23 | 1/2 | Shintaro Imai | Jacob Bradshaw | 2-6, 6-1, 7-65 | | match details | ||
| 24.11.23 | 1/4 | Shintaro Imai | Nick Chappell | 4-6, 6-4, 7-5 | | match details | ||
| 23.11.23 | 2nd round | Shintaro Imai | Kody Pearson | 6-1, 6-2 | | match details | ||
| 21.11.23 | 1st round | Shintaro Imai | Ajeet Rai | 6-2, 4-6, 7-67 | | match details | ||
| 14.11.23 | 1st round | Jie Cui | Shintaro Imai | 6-1, 6-2 | | match details |  M25 Hua | Hard |
| 08.11.23 | 1st round | Andre Ilagan | Shintaro Imai | 6-4, 6-2 | | match details | M15 Hua | Hard |
| 24.11.22 | 2nd round | Nicholas David Ionel | Shintaro Imai | 6-4, 6-4 | | match details | Yokkaichi Challenger | Hard |
| 22.11.22 | 1st round | Shintaro Imai | Keisuke Saitoh | 6-4, 6-0 | | match details | ||
| 09.10.22 | q 1 | Max Purcell | Shintaro Imai | 2-6, 6-3, 6-4 | | match details |  Seoul Challenger | Hard |
| 01.10.22 | q 1 | Max Purcell | Shintaro Imai | 4-6, 7-65, 7-5 | | match details | Tokyo | Hard |
| 29.09.22 | 2nd round | Koki Matsuda | Shintaro Imai | 6-4, 4-3, Shintaro Imai - retired | | match details | M25 Kashiwa | Hard |
| 27.09.22 | 1st round | Shintaro Imai | Taisei Ichikawa | 7-66, 4-6, 6-2 | | match details | ||
| 10.09.22 | 1/2 | Tatsuma Ito | Shintaro Imai | 5-7, 6-2, 7-64 | | match details | M25 Sapporo | Hard |
| 09.09.22 | 1/4 | Shintaro Imai | Shuichi Sekiguchi | 6-3, 6-0 | | match details | ||
| 08.09.22 | 2nd round | Shintaro Imai | Ryuki Matsuda | 6-1, 6-3 | | match details | ||
| 07.09.22 | 1st round | Shintaro Imai | Junnosuke Masuda | 6-1, 6-3 | | match details | ||
| 01.09.22 | 2nd round | Daisuke Sumizawa | Shintaro Imai | 6-2, 2-6, 6-1 | | match details | M25 Sapporo | Hard |
| 30.08.22 | 1st round | Shintaro Imai | Toki Adachi | 6-0, 6-1 | | match details | ||
| 21.08.22 | fin | Shintaro Imai | Mukund Sasikumar | 6-3, 6-3 | | match details |  M15 Jakarta | Hard |
| 20.08.22 | 1/2 | Shintaro Imai | Fitriadi M Rifqi | 6-4, 6-2 | | match details | ||
| 19.08.22 | 1/4 | Shintaro Imai | S D Prajwal Dev | 6-2, 1-0, S D Prajwal Dev - retired | | match details | ||
| 18.08.22 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-3, 6-4 | | match details | ||
| 17.08.22 | 1st round | Shintaro Imai | Ryuki Matsuda | 6-0, 6-4 | | match details | ||
| 13.08.22 | 1/2 | Ryota Tanuma | Shintaro Imai | 3-6, 6-3, 3-1, Shintaro Imai - retired | | match details | M15 Jakarta | Hard |
| 12.08.22 | 1/4 | Shintaro Imai | S D Prajwal Dev | 2-6, 7-610, 6-3 | | match details | ||
| 11.08.22 | 2nd round | Shintaro Imai | Alexander Kotzen | 6-4, 4-6, 6-3 | | match details | ||
| 10.08.22 | 1st round | Shintaro Imai | Issei Okamura | 6-0, 6-1 | | match details | ||
| 19.07.22 | 1st round | Beibit Zhukayev | Shintaro Imai | 7-63, 6-1 | | match details |  Nur Sultan | Hard |
| 15.07.22 | 1/4 | Beibit Zhukayev | Shintaro Imai | 6-3, 4-6, 7-65 | | match details | M25 Nur | Hard |
| 14.07.22 | 2nd round | Shintaro Imai | Lucas Catarina | 6-4, 6-76, 6-4 | | match details | ||
| 12.07.22 | 1st round | Shintaro Imai | Alafia Ayeni | 6-2, 6-74, 6-4 | | match details | ||
| 19.06.22 | fin | Shintaro Imai | Bu Yunchaokete | 7-5, 6-4 | | match details | M15 Chiang | Hard |
| 18.06.22 | 1/2 | Shintaro Imai | Thantub Suksumrarn | 6-2, 6-2 | | match details | ||
| 17.06.22 | 1/4 | Shintaro Imai | Konstantin Kravchuk | 6-4, Konstantin Kravchuk - retired | | match details | ||
| 16.06.22 | 2nd round | Shintaro Imai | Shinji Hazawa | 6-2, 6-4 | | match details | ||
| 15.06.22 | 1st round | Shintaro Imai | Chanchin Sookton-Eng | 6-4, 6-3 | | match details | ||
| 12.06.22 | fin | Bu Yunchaokete | Shintaro Imai | 6-3, 7-5 | | match details | M25 Chiang | Hard |
| 11.06.22 | 1/2 | Shintaro Imai | Shinji Hazawa | 6-1, 6-2 | | match details | ||
| 10.06.22 | 1/4 | Shintaro Imai | Fajing Sun | 6-4, 6-3 | | match details | ||
| 09.06.22 | 2nd round | Shintaro Imai | Taisei Ichikawa | 7-5, 5-7, 6-2 | | match details | ||
| 08.06.22 | 1st round | Shintaro Imai | Kento Takeuchi | 6-3, 7-62 | | match details | ||
| 03.06.22 | 1/4 | Konstantin Kravchuk | Shintaro Imai | 7-67, 6-3 | | match details | M25 Chiang | Hard |
| 02.06.22 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-3, 7-5 | | match details | ||
| 01.06.22 | 1st round | Shintaro Imai | Fajing Sun | 6-4, 6-2 | | match details | ||
| 24.03.22 | 2nd round | Victor Lilov | Shintaro Imai | 5-7, 6-1, 6-4 | | match details |  M25 Calabasas | Hard |
| 23.03.22 | 1st round | Shintaro Imai | Isaiah Strode | 6-4, 3-6, 7-67 | | match details | ||
| 17.03.22 | 2nd round | Keegan Smith | Shintaro Imai | 7-65, 6-4 | | match details | M25 Bakersfield | Hard |
| 15.03.22 | 1st round | Shintaro Imai | Victor Lilov | 1-6, 6-1, 6-4 | | match details | ||
| 16.09.21 | 2nd round | Alejandro Moro Canas | Shintaro Imai | 6-75, 6-1, 6-3 | | match details |  M25 Sintra | Hard |
| 14.09.21 | 1st round | Shintaro Imai | Alibek Kachmazov | 6-3, 3-6, 6-2 | | match details | ||
| 09.09.21 | 2nd round | Luis Faria | Shintaro Imai | 7-5, 7-5 | | match details | M25 Sintra | Hard |
| 08.09.21 | 1st round | Shintaro Imai | Christian Langmo | 7-5, 2-6, 7-63 | | match details | ||
| 19.08.21 | 2nd round | Hady Habib | Shintaro Imai | 7-5, 6-4 | | match details |  M15 Monastir | Hard |
| 18.08.21 | 1st round | Shintaro Imai | Omni Kumar | 6-4, 7-5 | | match details | ||
| 11.08.21 | 1st round | Luciano Darderi | Shintaro Imai | 6-2, 4-6, 6-3 | | match details | M15 Monastir | Hard |
| 05.08.21 | 2nd round | Karlis Ozolins | Shintaro Imai | 7-66, 3-6, 7-65 | | match details | M25 Decatur | Hard |
| 04.08.21 | 1st round | Shintaro Imai | Felix Corwin | 6-1, 6-2 | | match details | ||
| 28.07.21 | 1st round | Dane Sweeny | Shintaro Imai | 6-1, 3-6, 6-3 | | match details | M25 Champaign | Hard |
| 09.06.21 | 1st round | Igor Ribeiro Marcondes | Shintaro Imai | 7-63, 6-4 | | match details |  M25 Santo | Hard |
| 03.06.21 | 2nd round | Christian Langmo | Shintaro Imai | 6-74, 7-5, 7-5 | | match details | M25 Santo | Hard |
| 01.06.21 | 1st round | Shintaro Imai | Evan Zhu | 6-3, 6-3 | | match details | ||
| 04.05.21 | 1st round | Alexander Donski | Shintaro Imai | 7-5, 6-4 | | match details | M15 Monastir | Hard |
| 29.04.21 | 2nd round | Benjamin Pietri | Shintaro Imai | 7-64, 6-4 | | match details | M15 Monastir | Hard |
| 27.04.21 | 1st round | Shintaro Imai | Christian Langmo | 5-0, Christian Langmo - retired | | match details | ||
| 22.04.21 | 2nd round | Igor Ribeiro Marcondes | Shintaro Imai | 6-3, 6-1 | | match details | M15 Monastir | Hard |
| 21.04.21 | 1st round | Shintaro Imai | Savva Polukhin | 6-3, 6-4 | | match details | ||
| 18.04.21 | 1/4 | Franco Agamenone | Shintaro Imai | 6-2, 6-2 | | match details | M15 Monastir | Hard |
| 15.04.21 | 2nd round | Shintaro Imai | Mirko Martinez | 6-1, 6-1 | | match details | ||
| 13.04.21 | 1st round | Shintaro Imai | Evan Zhu | 6-4, 6-72, 6-0 | | match details | ||
| 11.03.21 | 2nd round | Yu Hsiou Hsu | Shintaro Imai | 7-65, 6-2 | | match details |  M15 Sharm | Hard |
| 10.03.21 | 1st round | Shintaro Imai | Ali Habib | 6-3, 6-2 | | match details | ||
| 04.03.21 | 2nd round | Jakub Paul | Shintaro Imai | 6-4, 6-4 | | match details | M15 Sharm | Hard |
| 03.03.21 | 1st round | Shintaro Imai | Jacopo Berrettini | 7-5, 6-3 | | match details | ||
| 25.02.21 | 2nd round | Paul Jubb | Shintaro Imai | 7-5, 7-65 | | match details | M15 Sharm | Hard |
| 24.02.21 | 1st round | Shintaro Imai | Jumpei Yamasaki | 7-65, 7-61 | | match details | ||
| 17.02.21 | 1st round | Yu Hsiou Hsu | Shintaro Imai | 6-1, 7-5 | | match details | M15 Sharm | Hard |
| 10.02.21 | 1st round | Zsombor Piros | Shintaro Imai | 6-3, 1-6, 7-66 | | match details | M15 Sharm | Hard |
| 04.02.21 | 2nd round | Marek Gengel | Shintaro Imai | 6-2, 6-3 | | match details | M15 Sharm | Hard |
| 03.02.21 | 1st round | Shintaro Imai | David Poljak | 6-4, 6-4 | | match details | ||
| 30.01.20 | 2nd round | Adam Pavlasek | Shintaro Imai | 4-6, 7-5, 6-1 | | match details | M25 Nonthaburi | Hard |
| 29.01.20 | 1st round | Shintaro Imai | Yuki Mochizuki | 6-4, 6-2 | | match details | ||
| 01.12.19 | fin | Duckhee Lee | Shintaro Imai | 6-1, 6-4 | | match details | M15 Nonthaburi | Hard |
| 30.11.19 | 1/2 | Shintaro Imai | Ji Sung Nam | 7-66, 7-66 | | match details | ||
| 29.11.19 | 1/4 | Shintaro Imai | Benjamin Pietri | 6-2, 6-1 | | match details | ||
| 28.11.19 | 2nd round | Shintaro Imai | Jea Moon Lee | 6-0, 1-6, 7-67 | | match details | ||
| 26.11.19 | 1st round | Shintaro Imai | Kento Takeuchi | 6-3, 6-2 | | match details | ||
| 14.10.19 | 1st round | Fajing Sun | Shintaro Imai | 6-4, 6-4 | | match details |  Ningboo Challenger | Hard |
| 08.10.19 | 1st round | Naoki Nakagawa | Shintaro Imai | 6-2, 6-1 | | match details |  M25 Tay | Hard |
| 09.09.19 | 1st round | Arjun Kadhe | Shintaro Imai | 7-62, 6-3 | | match details | Shanghai Challenger | Hard |
| 02.09.19 | 1st round | Chun Hsin Tseng | Shintaro Imai | 7-5, 4-6, 6-2 | | match details | Jinan Challenger | Hard |
| 08.08.19 | 3rd round | James Duckworth | Shintaro Imai | 6-2, 6-3 | | match details | Yokkaichi Challenger | Hard |
| 06.08.19 | 2nd round | Shintaro Imai | Nam Hoang Ly | 2-6, 6-2, 6-3 | | match details | ||
| 05.08.19 | 1st round | Shintaro Imai | Naoki Tajima | 6-2, 6-3 | | match details | ||
| 03.08.19 | 1/2 | Renta Tokuda | Shintaro Imai | 6-4, 7-5 | | match details | M25 Nonthaburi | Hard |
| 02.08.19 | 1/4 | Shintaro Imai | Sergey Fomin | 6-2, 6-76, 6-4 | | match details | ||
| 01.08.19 | 2nd round | Shintaro Imai | Grigoriy Lomakin | 6-2, 6-1 | | match details | ||
| 30.07.19 | 1st round | Shintaro Imai | Seong-Gook Oh | 6-2, 6-2 | | match details | ||
| 16.07.19 | 2nd round | Soon-Woo Kwon | Shintaro Imai | 6-2, 6-3 | | match details |  Gatineau Challenger | Hard |
| 15.07.19 | 1st round | Shintaro Imai | Alejandro Tabilo | 6-4, 2-6, 7-5 | | match details | ||
| 10.07.19 | 1st round | Shintaro Imai | Jacob Grills | 6-76, 7-60, 6-0 | | match details | Winnipeg Challenger | Hard |
| 10.07.19 | 2nd round | Antoine Hoang | Shintaro Imai | 7-65, 7-5 | | match details | ||
| 21.06.19 | 1/4 | Harry Bourchier | Shintaro Imai | 6-4, 6-3 | | match details | M25 Hengyang | Hard |
| 20.06.19 | 2nd round | Shintaro Imai | Aliaksandr Liaonenka | 7-5, 6-1 | | match details | ||
| 19.06.19 | 1st round | Shintaro Imai | Li-Wie Tan | 6-4, 6-0 | | match details | ||
| 16.06.19 | fin | Agustin Velotti | Shintaro Imai | 6-3, 6-3 | | match details |  M25 Hong | Hard |
| 15.06.19 | 1/2 | Shintaro Imai | Chun Hsin Tseng | 6-2, 6-2 | | match details | ||
| 14.06.19 | 1/4 | Shintaro Imai | Xin Gao | 6-4, 6-78, 6-3 | | match details | ||
| 13.06.19 | 2nd round | Shintaro Imai | Hong Kit Wong | 6-3, 3-6, 6-1 | | match details | ||
| 12.06.19 | 1st round | Shintaro Imai | N. Vijay Sundar Prashanth | 6-2, 6-4 | | match details | ||
| 09.06.19 | fin | Shintaro Imai | Shuichi Sekiguchi | 6-2, 6-1 | | match details | M25 Hong | Hard |
| 08.06.19 | 1/2 | Shintaro Imai | Yan Bai | 7-65, 6-3 | | match details | ||
| 07.06.19 | 1/4 | Shintaro Imai | Yuta Shimizu | 5-7, 7-5, 6-3 | | match details | ||
| 06.06.19 | 2nd round | Shintaro Imai | Yu Hsiou Hsu | 6-2, 6-3 | | match details | ||
| 04.06.19 | 1st round | Shintaro Imai | Chak Lam Coleman Wong | 6-1, 6-1 | | match details | ||
| 25.05.19 | 1/2 | Ji Sung Nam | Shintaro Imai | 6-4, 7-5 | | match details | M25 Nonthaburi | Hard |
| 24.05.19 | 1/4 | Shintaro Imai | Palaphoom Kovapitukted | 6-0, 6-1 | | match details | ||
| 23.05.19 | 2nd round | Shintaro Imai | Yu Hsiou Hsu | 6-4, 7-64 | | match details | ||
| 21.05.19 | 1st round | Shintaro Imai | Blake Ellis | 6-75, 6-3, 6-2 | | match details | ||
| 14.05.19 | 2nd round | Zhe Li | Shintaro Imai | 6-3, 6-1 | | match details | Gwangju Challenger | Hard |
| 13.05.19 | 1st round | Shintaro Imai | Maverick Banes | 3-6, 6-4, 6-2 | | match details | ||
| 30.04.19 | 2nd round | Soon-Woo Kwon | Shintaro Imai | 6-3, 6-2 | | match details | Seoul Challenger | Hard |
| 29.04.19 | 1st round | Shintaro Imai | Hong Chung | 6-1, 6-3 | | match details | ||
| 10.04.19 | 1st round | Seong Chan Hong | Shintaro Imai | 5-0, Shintaro Imai - retired | | match details | M25 Matsuyama | Hard |
| 05.04.19 | 1/4 | Makoto Ochi | Shintaro Imai | 6-2, 7-63 | | match details | M15 Kashiwa | Hard |
| 04.04.19 | 2nd round | Shintaro Imai | Pol Wattanakul | 6-0, 6-0 | | match details | ||
| 03.04.19 | 1st round | Shintaro Imai | Gengo Kikuchi | 6-3, 6-1 | | match details | ||
| 31.03.19 | fin | Shintaro Imai | Jumpei Yamasaki | 6-4, 6-4 | | match details | M15 Tsukuba | Hard |
| 30.03.19 | 1/2 | Shintaro Imai | Naoki Tajima | 6-1, 6-2 | | match details | ||
| 29.03.19 | 1/4 | Shintaro Imai | Yuki Mochizuki | 6-3, 1-6, 6-4 | | match details | ||
| 28.03.19 | 2nd round | Shintaro Imai | Ryota Tanuma | 7-5, 6-3 | | match details | ||
| 26.03.19 | 1st round | Shintaro Imai | Blake Ellis | 6-2, 7-64 | | match details | ||
| 15.03.19 | 1/4 | Shuichi Sekiguchi | Shintaro Imai | 6-3, 6-0 | | match details | M15 Nishi | Hard |
| 14.03.19 | 2nd round | Shintaro Imai | Jumpei Yamasaki | 3-6, 6-3, 6-3 | | match details | ||
| 13.03.19 | 1st round | Shintaro Imai | Naoki Tajima | 6-1, 6-4 | | match details | ||
| 10.03.19 | fin | Shintaro Imai | Ji Sung Nam | 6-2, 6-2 | | match details | M15 Nishi | Hard |
| 09.03.19 | 1/2 | Shintaro Imai | Sho Shimabukuro | 6-4, 6-3 | | match details | ||
| 08.03.19 | 2nd round | Shintaro Imai | Sho Katayama | 6-2, 6-3 | | match details | ||
| 08.03.19 | 1/4 | Shintaro Imai | Tomohiro Masabayashi | 6-3, 6-2 | | match details | ||
| 05.03.19 | 1st round | Shintaro Imai | Yusuke Takahashi | 6-1, 5-7, 6-3 | | match details | ||
| 25.02.19 | 1st round | David Perez Sanz | Shintaro Imai | 6-2, 6-3 | | match details | Yokohama Challenger | Hard |
| 24.02.19 | qual. | Cheong-Eui Kim | Shintaro Imai | 6-1, 7-5 | | match details | ||
| 02.02.19 | 1/2 | Karim-Mohamed Maamoun | Shintaro Imai | 6-3, 6-2 | | match details | M15 Sharm | Hard |
| 01.02.19 | 1/4 | Shintaro Imai | Pablo Vivero Gonzalez | 6-3, 6-74, 7-65 | | match details | ||
| 31.01.19 | 2nd round | Shintaro Imai | Enrico Dalla Valle | 6-3, 6-4 | | match details | ||
| 30.01.19 | 1st round | Shintaro Imai | Toby Martin | 6-3, 7-65 | | match details | ||
| 23.01.19 | 1st round | Toby Martin | Shintaro Imai | 2-6, 6-1, 6-2 | | match details | M15 Sharm | Hard |
| 05.01.19 | 1/2 | Evan Furness | Shintaro Imai | 7-64, 6-2 | | match details | M25 Hong | Hard |
| 04.01.19 | 1/4 | Shintaro Imai | Kuan-Yi Lee | 6-1, 6-3 | | match details | ||
| 03.01.19 | 2nd round | Shintaro Imai | Jeremy Jahn | 6-4, 6-4 | | match details | ||
| 02.01.19 | 1st round | Shintaro Imai | Yecong He | 6-4, 6-2 | | match details | ||
| 25.12.18 | 1st round | Evan Furness | Shintaro Imai | 6-3, 3-6, 6-3 | | match details | Hong Kong | Hard |
| 08.10.18 | 1st round | Ajeet Rai | Shintaro Imai | 4-6, 6-3, 3-2, Shintaro Imai - retired | | match details | Thailand F6 | Hard |
| 07.10.18 | fin | Shintaro Imai | Kelsey Stevenson | 7-64, 6-1 | | match details | Thailand F5 | Hard |
| 06.10.18 | 1/2 | Shintaro Imai | Jumpei Yamasaki | 6-2, 6-4 | | match details | ||
| 04.10.18 | 1/4 | Shintaro Imai | Felix Corwin | 7-63, 6-4 | | match details | ||
| 03.10.18 | 2nd round | Shintaro Imai | Ren Nakamura | 6-1, 6-2 | | match details | ||
| 02.10.18 | 1st round | Shintaro Imai | Michal Dembek | 6-1, 6-3 | | match details | ||
| 28.09.18 | fin | Shintaro Imai | Kento Takeuchi | 6-2, 4-6, 6-3 | | match details | Thailand F4 | Hard |
| 27.09.18 | 1/2 | Shintaro Imai | Pascal Meis | 7-5, Pascal Meis - retired | | match details | ||
| 26.09.18 | 2nd round | Shintaro Imai | Congsup Congcar | 6-4, 6-3 | | match details | ||
| 26.09.18 | 1/4 | Shintaro Imai | Soichiro Moritani | 6-1, 7-65 | | match details | ||
| 24.09.18 | 1st round | Shintaro Imai | Matic Spec | 7-64, 6-3 | | match details | ||
| 03.09.18 | q 2 | Sidharth Rawat | Shintaro Imai | 6-3, 6-1 | | match details | Zhangjiagang Challenger | Hard |
| 02.09.18 | q 1 | Shintaro Imai | Brayden Schnur | 6-4, Brayden Schnur - retired | | match details | ||
| 12.08.18 | q 2 | Jung-Woong Na | Shintaro Imai | 6-4, 6-2 | | match details | Gwangju Challenger | Hard |
| 04.08.18 | q 1 | Tung-Lin Wu | Shintaro Imai | 6-2, 6-3 | | match details | Jinan Challenger | Hard |
| 22.07.18 | q 2 | Jacob Grills | Shintaro Imai | 6-4, 6-1 | | match details | Granby Challenger | Hard |
| 21.07.18 | q 1 | Shintaro Imai | Liam Draxl | 6-4, 6-2 | | match details | ||
| 14.07.18 | q 1 | Antoine Escoffier | Shintaro Imai | 6-4, 3-6, 6-1 | | match details | Gatineau Challenger | Hard |
| 06.07.18 | fin | Maverick Banes | Shintaro Imai | 7-5, 6-2 | | match details | Hong Kong | Hard |
| 05.07.18 | 1/2 | Shintaro Imai | Ryota Tanuma | 6-2, 6-2 | | match details | ||
| 04.07.18 | 1/4 | Shintaro Imai | Issei Okamura | 6-2, 6-1 | | match details | ||
| 03.07.18 | 2nd round | Shintaro Imai | Hei Yin Andrew Li | 6-2, 6-0 | | match details | ||
| 02.07.18 | 1st round | Shintaro Imai | Yuki Mochizuki | 4-6, 7-5, 6-3 | | match details | ||
| 25.06.18 | 1st round | Ryota Tanuma | Shintaro Imai | 6-3, 6-2 | | match details | Hong Kong | Hard |
| 20.06.18 | 2nd round | Jae Hwan Kim | Shintaro Imai | 6-4, 7-62 | | match details | Korea F3 | Hard |
| 19.06.18 | 1st round | Shintaro Imai | Hong Chung | 7-63, 3-6, 6-1 | | match details | ||
| 23.05.18 | 1/4 | Collin Altamirano | Shintaro Imai | 6-2, 6-2 | | match details |  Singapore F2 | Hard |
| 23.05.18 | 2nd round | Shintaro Imai | Clement Larriere | 6-2, 6-4 | | match details | ||
| 21.05.18 | 1st round | Shintaro Imai | Hao Yuan Ng | 6-0, 6-0 | | match details | ||
| 17.05.18 | 1/4 | Patrik Niklas-Salminen | Shintaro Imai | 6-3, 7-64 | | match details | China F6 | Hard |
| 15.05.18 | 2nd round | Shintaro Imai | Shi Hong Zeng | 6-3, 6-1 | | match details | ||
| 14.05.18 | 1st round | Shintaro Imai | Chukang Wang | 6-3, 6-2 | | match details | ||
| 10.05.18 | 2nd round | Yuta Shimizu | Shintaro Imai | 6-4, 4-6, 7-5 | | match details | China F5 | Hard |
| 07.05.18 | 1st round | Shintaro Imai | Huixin Wang | 6-3, 6-1 | | match details | ||
| 09.04.18 | 1st round | Xin Gao | Shintaro Imai | 6-3, 6-4 | | match details | Japan F6 | Hard |
| 04.04.18 | 1/4 | Hiroyasu Ehara | Shintaro Imai | 6-3, 7-5 | | match details | Japan F5 | Hard |
| 03.04.18 | 2nd round | Shintaro Imai | Jumpei Yamasaki | 6-3, 6-4 | | match details | ||
| 02.04.18 | 1st round | Shintaro Imai | Jacob Grills | 6-1, 6-1 | | match details | ||
| 29.03.18 | 2nd round | Shintaro Imai | Naoki Tajima | 6-4, 6-3 | | match details | Japan F4 | Hard |
| 29.03.18 | 1/4 | Kuan-Yi Lee | Shintaro Imai | 6-1, 2-6, 6-3 | | match details | ||
| 26.03.18 | 1st round | Shintaro Imai | Yuta Kawahashi | 6-3, 6-3 | | match details | ||
| 22.03.18 | 2nd round | Kaito Uesugi | Shintaro Imai | 6-3, 2-6, 6-1 | | match details | Japan F3 | Hard |
| 19.03.18 | 1st round | Shintaro Imai | Rio Noguchi | 7-64, 6-4 | | match details | ||
| 16.03.18 | 1/2 | Tung-Lin Wu | Shintaro Imai | 7-5, 6-0 | | match details | Japan F2 | Hard |
| 15.03.18 | 1/4 | Shintaro Imai | Soichiro Moritani | 6-2, 7-5 | | match details | ||
| 13.03.18 | 2nd round | Shintaro Imai | Rio Noguchi | 6-3, 6-3 | | match details | ||
| 12.03.18 | 1st round | Shintaro Imai | Ching-Mou Yu | 6-77, 6-3, 6-2 | | match details | ||
| 05.03.18 | 1st round | Sho Katayama | Shintaro Imai | 6-2, 7-5 | | match details | Japan F1 | Hard |
| 23.02.18 | q 1 | Maverick Banes | Shintaro Imai | 7-66, 1-6, 7-65 | | match details | Yokohama Challenger | Hard |
| 04.01.18 | 1/4 | Shintaro Imai | Emil Ruusuvuori | 6-4, 6-3 | | match details | Hong Kong | Hard |
| 04.01.18 | 1/2 | Matteo Viola | Shintaro Imai | 7-5, 6-2 | | match details | ||
| 03.01.18 | 2nd round | Shintaro Imai | Masaya Kobayashi | 6-3, 6-0 | | match details | ||
| 02.01.18 | 1st round | Shintaro Imai | Ki Lung Ng | 6-2, 6-2 | | match details | ||
| 29.12.17 | 1/2 | Corentin Denolly | Shintaro Imai | 6-4, 7-5 | | match details | Hong Kong | Hard |
| 27.12.17 | 2nd round | Shintaro Imai | Jie Cui | 6-4, 6-1 | | match details | ||
| 27.12.17 | 1/4 | Shintaro Imai | Jack Murray | 6-4, 6-1 | | match details | ||
| 26.12.17 | 1st round | Shintaro Imai | Masaya Kobayashi | 6-1, 6-1 | | match details | ||
| 22.12.17 | 1/2 | Daniel Altmaier | Shintaro Imai | 6-4, 6-2 | | match details | Hong Kong | Hard |
| 20.12.17 | 2nd round | Shintaro Imai | Maxence Broville | 7-67, 6-2 | | match details | ||
| 20.12.17 | 1/4 | Shintaro Imai | Ti Chen | 6-3, 6-4 | | match details | ||
| 17.12.17 | 1st round | Shintaro Imai | Jack Murray | 6-2, 1-6, 6-3 | | match details | ||
| 13.12.17 | 2nd round | Billy Harris | Shintaro Imai | 7-64, 6-2 | | match details | Thailand F12 | Hard |
| 12.12.17 | 1st round | Shintaro Imai | Roman Safiullin | 6-3, 6-2 | | match details | ||
| 28.11.17 | 1st round | Renta Tokuda | Shintaro Imai | 4-0, Shintaro Imai - retired | | match details | Indonesia F8 | Hard |
| 24.11.17 | 1/2 | Renta Tokuda | Shintaro Imai | 6-1, 6-1 | | match details | Indonesia F7 | Hard |
| 23.11.17 | 1/4 | Shintaro Imai | Manish Sureshkumar | 6-1, 5-7, 6-3 | | match details | ||
| 22.11.17 | 2nd round | Shintaro Imai | Fitriadi M Rifqi | 6-2, 6-3 | | match details | ||
| 21.11.17 | 1st round | Shintaro Imai | Ken Onoda | 6-4, 6-2 | | match details | ||
| 27.07.17 | 2nd round | Karunuday Singh | Shintaro Imai | 4-6, 6-2, 6-3 | | match details | China F14 | Hard |
| 25.07.17 | 1st round | Shintaro Imai | Chuhan Wang | 6-4, 6-1 | | match details | ||
| 18.07.17 | 1st round | Zhaoyi Cao | Shintaro Imai | 7-5, 7-5 | | match details | China F13 | Hard |
| 09.07.17 | fin | Shintaro Imai | Jacob Grills | 7-66, 6-3 | | match details | Hong Kong | Hard |
| 07.07.17 | 1/2 | Shintaro Imai | Sora Fukuda | 6-2, 7-63 | | match details | ||
| 06.07.17 | 1/4 | Shintaro Imai | Wishaya Trongcharoenchaikul | 6-2, 7-5 | | match details | ||
| 05.07.17 | 2nd round | Shintaro Imai | Eric James Johnson | 6-3, 6-3 | | match details | ||
| 04.07.17 | 1st round | Shintaro Imai | Wei-De Lin | 6-2, 6-1 | | match details | ||
| 29.06.17 | 1/2 | Yuki Mochizuki | Shintaro Imai | 2-6, 6-3, 4-1, Shintaro Imai - retired | | match details | Hong Kong | Hard |
| 28.06.17 | 1/4 | Shintaro Imai | Jumpei Yamasaki | 6-4, 6-2 | | match details | ||
| 27.06.17 | 2nd round | Shintaro Imai | Mousheg Hovhannisyan | 6-1, 2-0, Mousheg Hovhannisyan - retired | | match details | ||
| 27.06.17 | 1st round | Shintaro Imai | Eric James Johnson | 6-3, 6-4 | | match details | ||
| 24.06.17 | 1/2 | Yusuke Takahashi | Shintaro Imai | 7-5, 6-3 | | match details | .png){kind=small} Chinese Taipei | Hard |
| 23.06.17 | 1/4 | Shintaro Imai | Tsung-Hua Yang | 4-6, 6-4, 6-1 | | match details | ||
| 22.06.17 | 2nd round | Shintaro Imai | Shinta Fujii | 7-5, 6-3 | | match details | ||
| 19.06.17 | 1st round | Shintaro Imai | Ching-Huang Tsai | 6-0, 6-2 | | match details | ||
| 14.06.17 | 1st round | Takuto Niki | Shintaro Imai | 6-4, 6-4 | | match details | Chinese Taipei | Hard |
| 07.06.17 | 2nd round | Yosuke Watanuki | Shintaro Imai | 6-75, 6-3, 6-1 | | match details | Japan F7 | Hard |
| 06.06.17 | 1st round | Shintaro Imai | Naoto Kai | 6-1, 6-2 | | match details | ||
| 19.05.17 | 1/4 | Dayne Kelly | Shintaro Imai | 6-2, 7-63 | | match details | China F7 | Hard |
| 17.05.17 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-2, 6-4 | | match details | ||
| 16.05.17 | 1st round | Shintaro Imai | N. Vijay Sundar Prashanth | 7-64, 6-3 | | match details | ||
| 13.05.17 | 1/2 | Chuhan Wang | Shintaro Imai | 7-5, 6-4 | | match details | China F6 | Hard |
| 11.05.17 | 1/4 | Shintaro Imai | Soichiro Moritani | 6-0, 6-1 | | match details | ||
| 09.05.17 | 2nd round | Shintaro Imai | Yuichi Ito | 3-6, 6-2, 6-3 | | match details | ||
| 08.05.17 | 1st round | Shintaro Imai | Yecong He | 6-4, 7-66 | | match details | ||
| 07.04.17 | 1/4 | Yusuke Watanuki | Shintaro Imai | 6-1, 6-3 | | match details | Japan F5 | Hard |
| 05.04.17 | 2nd round | Shintaro Imai | Gengo Kikuchi | 6-4, 4-6, 6-3 | | match details | ||
| 03.04.17 | 1st round | Shintaro Imai | Yuta Shimizu | 6-4, 6-2 | | match details | ||
| 29.03.17 | 1st round | Shinji Hazawa | Shintaro Imai | 1-6, 6-3, 6-4 | | match details | Japan F4 | Hard |
| 20.03.17 | 1st round | Sho Shimabukuro | Shintaro Imai | 7-5, 2-6, 4-0, Shintaro Imai - retired | | match details | Japan F3 | Hard |
| 16.03.17 | 2nd round | Masaki Sasai | Shintaro Imai | 7-61, 6-3 | | match details | Japan F2 | Hard |
| 14.03.17 | 1st round | Shintaro Imai | Rio Noguchi | 6-1, 6-1 | | match details | ||
| 07.03.17 | 1st round | Yuta Shimizu | Shintaro Imai | 7-5, 6-2 | | match details | Japan F1 | Hard |
| 24.02.17 | q 1 | Blaz Rola | Shintaro Imai | 6-4, 6-1 | | match details | Yokohama Challenger | Hard |
| 17.02.17 | 1/4 | Dayne Kelly | Shintaro Imai | 7-63, 6-3 | | match details | Indonesia F2 | Hard |
| 16.02.17 | 2nd round | Shintaro Imai | Rhett Purcell | 7-64, 2-6, 6-3 | | match details | ||
| 14.02.17 | 1st round | Shintaro Imai | Hao Yuan Ng | 6-0, 6-3 | | match details | ||
| 10.02.17 | 1/4 | Kento Takeuchi | Shintaro Imai | 6-2, 6-4 | | match details | Indonesia F1 | Hard |
| 10.02.17 | 2nd round | Shintaro Imai | Masaya Kobayashi | 4-6, 6-2, 7-69 | | match details | ||
| 07.02.17 | 1st round | Shintaro Imai | Yuto Sakai | 7-63, 6-2 | | match details | ||
| 30.12.16 | 1/2 | Shuichi Sekiguchi | Shintaro Imai | 7-63, 6-3 | | match details | Hong Kong | Hard |
| 29.12.16 | 1/4 | Shintaro Imai | Yan Bai | 7-67, 7-5 | | match details | ||
| 28.12.16 | 2nd round | Shintaro Imai | Gary Kushnirovich | 7-5, 6-3 | | match details | ||
| 27.12.16 | 1st round | Shintaro Imai | Yecong He | 6-1, 7-5 | | match details | ||
| 25.12.16 | fin | Yuki Bhambri | Shintaro Imai | 6-4, 7-5 | | match details | Hong Kong | Hard |
| 24.12.16 | 1/2 | Shintaro Imai | Tung-Lin Wu | 7-63, 6-4 | | match details | ||
| 23.12.16 | 1/4 | Shintaro Imai | Ching-Mou Yu | 7-66, 3-6, 6-4 | | match details | ||
| 22.12.16 | 2nd round | Shintaro Imai | Karan Rastogi | 5-7, 6-4, 7-64 | | match details | ||
| 20.12.16 | 1st round | Shintaro Imai | Pak Long Yeung | 6-2, 6-1 | | match details | ||
| 10.12.16 | 1/2 | Yusuke Takahashi | Shintaro Imai | 6-2, 6-4 | | match details | Indonesia F5 | Hard |
| 09.12.16 | 1/4 | Shintaro Imai | Cheong-Eui Kim | 3-6, 7-5, 6-2 | | match details | ||
| 08.12.16 | 2nd round | Shintaro Imai | Viktor Filipenko | 4-6, 6-4, 7-69 | | match details | ||
| 07.12.16 | 1st round | Shintaro Imai | Masato Shiga | 6-4, 6-2 | | match details | ||
| 04.12.16 | fin | Shintaro Imai | Enzo Couacaud | 7-63, 6-3 | | match details | Indonesia F4 | Hard |
| 03.12.16 | 1/4 | Shintaro Imai | Julien Cagnina | 6-4, 7-65 | | match details | ||
| 03.12.16 | 1/2 | Shintaro Imai | Sidharth Rawat | 6-4, 7-5 | | match details | ||
| 01.12.16 | 2nd round | Shintaro Imai | Thien Nguyen Hoang | 6-2, 6-4 | | match details | ||
| 30.11.16 | 1st round | Shintaro Imai | Issei Okamura | 5-5, Issei Okamura - retired | | match details | ||
| 27.09.16 | 1st round | Chan-Yeong Oh | Shintaro Imai | 6-3, 5-7, 7-63 | | match details | Vietnam F6 | Hard |
| 20.09.16 | 1st round | David Nguyen | Shintaro Imai | 6-4, 1-6, 6-4 | | match details | Vietnam F5 | Hard |
| 14.09.16 | 2nd round | Soichiro Moritani | Shintaro Imai | 6-3, 6-3 | | match details | Vietnam F4 | Hard |
| 13.09.16 | 1st round | Shintaro Imai | Pol Wattanakul | 4-6, 6-4, 6-0 | | match details | ||
| 11.08.16 | 2nd round | Jonathan Kanar | Shintaro Imai | 4-3, Shintaro Imai - retired | | match details | Vietnam F3 | Hard |
| 08.08.16 | 1st round | Shintaro Imai | Daniel Kossek | 6-2, 6-0 | | match details | ||
| 04.08.16 | 2nd round | Maxime Tabatruong | Shintaro Imai | 6-3, 6-2 | | match details | Vietnam F2 | Hard |
| 02.08.16 | 1st round | Shintaro Imai | Ren Nakamura | 7-5, 2-6, 6-1 | | match details | ||
| 29.07.16 | 1/4 | Renta Tokuda | Shintaro Imai | 6-4, 3-2, Shintaro Imai - retired | | match details | Vietnam F1 | Hard |
| 27.07.16 | 1st round | Shintaro Imai | Zhao-Tai Li | 6-2, 6-4 | | match details | ||
| 27.07.16 | 2nd round | Shintaro Imai | Yusuke Takahashi | 6-3, 6-3 | | match details | ||
| 04.07.16 | 1st round | Jung-Woong Na | Shintaro Imai | 6-2, 6-4 | | match details | Korea F4 | Hard |
| 28.06.16 | 1st round | Hong Chung | Shintaro Imai | 6-1, 6-1 | | match details | Korea F3 | Hard |
| 21.06.16 | 2nd round | Jake Delaney | Shintaro Imai | 6-3, 6-4 | | match details | Hong Kong | Hard |
| 19.06.16 | 1st round | Shintaro Imai | Kuan-Yi Lee | 6-4, 1-6, 6-3 | | match details | ||
| 13.06.16 | 1st round | Mikelis Libietis | Shintaro Imai | 6-1, 6-3 | | match details | Hong Kong | Hard |
| 07.06.16 | 1st round | Daniel Nolan | Shintaro Imai | 6-2, 6-3 | | match details | Hong Kong | Hard |
| 13.05.16 | 1/2 | Vishnu Vardhan | Shintaro Imai | 7-66, 6-3 | | match details |  India F3 | Hard |
| 12.05.16 | 1/4 | Shintaro Imai | Jayesh Pungliya | 6-2, 6-1 | | match details | ||
| 11.05.16 | 2nd round | Shintaro Imai | Haadin Bava | 6-74, 6-3, 6-0 | | match details | ||
| 10.05.16 | 1st round | Shintaro Imai | David Agung Susanto | 6-3, 6-3 | | match details | ||
| 07.05.16 | fin | Shintaro Imai | Sidharth Rawat | 6-4, 6-4 | | match details | India F2 | Hard |
| 06.05.16 | 1/2 | Shintaro Imai | Yuya Ito | 6-4, 3-6, 6-2 | | match details | ||
| 05.05.16 | 1/4 | Shintaro Imai | N.Sriram Balaji | 6-2, 6-2 | | match details | ||
| 04.05.16 | 2nd round | Shintaro Imai | Bernardo Saraiva | 7-5, 7-62 | | match details | ||
| 03.05.16 | 1st round | Shintaro Imai | Mohit Mayur Jayaprakash | 6-3, 6-3 | | match details | ||
| 27.04.16 | 2nd round | Vishnu Vardhan | Shintaro Imai | 6-2, 6-2 | | match details | India F1 | Hard |
| 25.04.16 | 1st round | Shintaro Imai | Yuya Ito | 3-6, 7-65, 2-2, Yuya Ito - retired | | match details | ||
| 25.04.16 | qual. | Shintaro Imai | Aditya Hari Sasongko | 6-76, 6-2, 6-3 | | match details | ||
| 25.04.16 | q 2 | Shintaro Imai | Nitten Kirrtane | 6-2, 6-2 | | match details | ||
| 05.04.16 | 1st round | Makoto Ochi | Shintaro Imai | 6-2, 4-0, Shintaro Imai - retired | | match details | Japan F5 | Hard |
| 03.04.16 | fin | Yosuke Watanuki | Shintaro Imai | 1-6, 6-4, 6-2 | | match details | Japan F4 | Hard |
| 02.04.16 | 1/2 | Shintaro Imai | Finn Tearney | 6-1, 6-3 | | match details | ||
| 01.04.16 | 1/4 | Shintaro Imai | Makoto Ochi | 4-6, 7-5, 6-4 | | match details | ||
| 31.03.16 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-1, 6-3 | | match details | ||
| 29.03.16 | 1st round | Shintaro Imai | Keisuke Watanuki | 6-3, 3-6, 6-1 | | match details | ||
| 28.03.16 | q 2 | Shintaro Imai | Yuga Tashiro | 6-1, 6-1 | | match details | ||
| 28.03.16 | qual. | Shintaro Imai | Masaki Sasai | 6-2, 6-0 | | match details | ||
| 28.03.16 | q 1 | Shintaro Imai | Yusuke Yoshikawa | 6-2, 6-1 | | match details | ||
| 24.03.16 | 1/4 | Xin Gao | Shintaro Imai | 7-67, 6-3 | | match details | Japan F3 | Hard |
| 22.03.16 | 2nd round | Shintaro Imai | Yecong He | 7-61, 3-6, 6-1 | | match details | ||
| 20.03.16 | 1st round | Shintaro Imai | Sidharth Rawat | 6-2, 6-0 | | match details | ||
| 18.03.16 | 1/4 | Yuuya Kibi | Shintaro Imai | 6-73, 6-4, 6-3 | | match details | Japan F2 | Hard |
| 15.03.16 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-0, 6-4 | | match details | ||
| 13.03.16 | 1st round | Shintaro Imai | Ko Suzuki | 6-3, 6-0 | | match details | ||
| 14.03.16 | qual. | Shintaro Imai | Hiromasa Oku | 6-1, 6-0 | | match details | ||
| 14.03.16 | q 1 | Shintaro Imai | Soichiro Moritani | 6-0, 6-3 | | match details | ||
| 10.03.16 | 2nd round | Liang-Chi Huang | Shintaro Imai | 6-2, 4-6, 6-3 | | match details | Japan F1 | Hard |
| 09.03.16 | 1st round | Shintaro Imai | Hiromasa Oku | 3-6, 6-2, 6-1 | | match details | ||
| 07.03.16 | q 1 | Shintaro Imai | Masahiro Sassa | 6-1, 6-1 | | match details | ||
| 07.03.16 | q 2 | Shintaro Imai | Yusuke Takahashi | 6-0, 6-1 | | match details | ||
| 07.03.16 | qual. | Shintaro Imai | Ryota Kishi | 6-4, 6-4 | | match details | ||
| 15.11.15 | q 2 | Sho Katayama | Shintaro Imai | 7-65, 6-0 | | match details | Yokohama Challenger | Hard |
| 14.11.15 | q 1 | Shintaro Imai | Andriej Kapas | 6-4, 6-1 | | match details | ||
| 18.05.15 | q 1 | Shintaro Imai | Seunghun Shin | 6-2, 6-2 | | match details | Korea F1 | Hard |
| 18.05.15 | 1st round | Soon-Woo Kwon | Shintaro Imai | 7-5, 6-3 | | match details | ||
| 18.05.15 | q 2 | Shintaro Imai | Dong-Hak Sin | 6-4, 6-0 | | match details | ||
| 18.05.15 | qual. | Shintaro Imai | Jea Moon Lee | 6-3, 6-3 | | match details | ||
| 30.03.15 | 1st round | Yong-Kyu Lim | Shintaro Imai | 6-3, 6-3 | | match details | Japan F4 | Hard |
| 23.03.15 | 2nd round | Naoki Nakagawa | Shintaro Imai | 3-6, 6-2, 7-65 | | match details | Japan F3 | Hard |
| 23.03.15 | 1st round | Shintaro Imai | Yuuya Kibi | 6-2, Yuuya Kibi - retired | | match details | ||
| 16.03.15 | 1/4 | Shintaro Imai | Pietro Licciardi | 6-1, 6-2 | | match details | Japan F2 | Hard |
| 16.03.15 | fin | Takuto Niki | Shintaro Imai | 6-74, 6-4, 6-2 | | match details | ||
| 16.03.15 | 1/2 | Shintaro Imai | Chu-Huan Yi | 6-4, 6-1 | | match details | ||
| 16.03.15 | 1st round | Shintaro Imai | Keita Koyama | 6-0, 6-2 | | match details | ||
| 16.03.15 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-2, 6-2 | | match details | ||
| 09.03.15 | qual. | Shintaro Imai | Issei Okamura | 6-0, 6-1 | | match details | Japan F1 | Hard |
| 09.03.15 | q 1 | Shintaro Imai | Akihiro Murakami | 6-2, 6-1 | | match details | ||
| 09.03.15 | q 2 | Shintaro Imai | Itsuki Imina | 7-5, 6-1 | | match details | ||
| 09.03.15 | 1st round | Takuto Niki | Shintaro Imai | 5-7, 7-64, 6-4 | | match details | ||
| 31.03.14 | 1st round | Takashi Saito | Shintaro Imai | 7-5, 7-67 | | match details | Japan F4 | Hard |
| 24.03.14 | 2nd round | Takuto Niki | Shintaro Imai | 7-5, 6-2 | | match details | Japan F3 | Hard |
| 24.03.14 | 1st round | Shintaro Imai | Itsuki Imina | 3-6, 6-4, 6-3 | | match details | ||
| 17.03.14 | 1st round | Yusuke Watanuki | Shintaro Imai | 6-4, 6-4 | | match details | Japan F2 | Hard |
| 10.03.14 | q 1 | Shintaro Imai | Kai Toyoda | 6-0, 6-0 | | match details | Japan F1 | Hard |
| 10.03.14 | q 2 | Shintaro Imai | Riku Ito | 6-1, 6-0 | | match details | ||
| 10.03.14 | 1/4 | Hiroki Kondo | Shintaro Imai | 6-2, 6-4 | | match details | ||
| 10.03.14 | qual. | Shintaro Imai | Taiki Hashimoto | 6-2, 6-1 | | match details | ||
| 10.03.14 | 1st round | Shintaro Imai | Michal Schmid | 6-2, 1-6, 7-5 | | match details | ||
| 10.03.14 | 2nd round | Shintaro Imai | Toshihide Matsui | 6-2, 6-4 | | match details | ||
| 01.07.13 | 2nd round | Yuuya Kibi | Shintaro Imai | 7-61, 6-2 | | match details | Japan F8 | Hard |
| 01.07.13 | q 2 | Shintaro Imai | Manato Tanimoto | 6-3, 6-4 | | match details | ||
| 01.07.13 | 1st round | Shintaro Imai | Junn Mitsuhashi | 6-2, 6-1 | | match details | ||
| 01.07.13 | qual. | Shintaro Imai | Ken Onoda | 6-1, 6-3 | | match details | ||
| 01.04.13 | 1st round | Yuichi Ito | Shintaro Imai | 6-3, 3-6, 7-65 | | match details | Japan F4 | Hard |
| 25.03.13 | q 1 | Shintaro Imai | Tadayuki Longhi | 3-6, 7-64, 6-3 | | match details | Japan F3 | Hard |
| 25.03.13 | 1st round | Hiroki Kondo | Shintaro Imai | 6-4, 6-1 | | match details | ||
| 25.03.13 | q 2 | Shintaro Imai | Hikaru Oshiro | 6-2, 6-3 | | match details | ||
| 25.03.13 | qual. | Shintaro Imai | Jonathan Pearlman | 6-2, 6-4 | | match details | ||
| 18.03.13 | 1/4 | Takeshi Endo | Shintaro Imai | 7-64, 6-1 | | match details | Japan F2 | Hard |
| 18.03.13 | 1st round | Shintaro Imai | Cheong-Eui Kim | 6-4, 7-5 | | match details | ||
| 18.03.13 | 2nd round | Shintaro Imai | Kento Takeuchi | 6-4, 6-2 | | match details | ||
| 11.03.13 | qual. | Hiromasa Oku | Shintaro Imai | 6-1, 6-2 | | match details | Japan F1 | Hard |
| 11.03.13 | q 1 | Shintaro Imai | Hikaru Oshiro | 6-0, 7-65 | | match details | ||
| 11.03.13 | q 2 | Shintaro Imai | Koki Takada | 6-4, 6-2 | | match details | ||
| 26.03.12 | 1st round | Wan Gao | Shintaro Imai | 6-1, 6-2 | | match details | Japan F3 | Hard |
| 19.03.12 | 1st round | Takuto Niki | Shintaro Imai | 6-73, 7-67, 7-610 | | match details | Japan F2 | Hard |
