Name: Naoki Tajima
Country: Japan
Birthdate: 21.09.00, 20 years
ATP ranking: 644
TOP ranking's position: 604 (20.01.20, 38 points)
Points: 35
Prize money: 14863 $
Matches total: 108
Win: 54
%: 50 %
Country: Japan
Birthdate: 21.09.00, 20 years
ATP ranking: 644
TOP ranking's position: 604 (20.01.20, 38 points)
Points: 35
Prize money: 14863 $
Matches total: 108
Win: 54
%: 50 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2020 | 10/12 | 7/8 | 3/2 | 0/0 | 0/0 | 0/2 | 0/0 |
| 2019 | 30/24 | 18/13 | 9/9 | 3/2 | 0/0 | 0/0 | 0/0 |
| 2018 | 6/10 | 4/6 | 1/1 | 1/1 | 0/1 | 0/1 | 0/0 |
| 2017 | 8/7 | 5/4 | 1/1 | 0/0 | 0/1 | 2/1 | 0/0 |
| 2016 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 54/54 | 34/32 | 14/13 | 4/3 | 0/2 | 2/4 | 0/0 |
| perc. % | 50 % | 51.52 % | 51.85 % | 57.14 % | 0 % | 33.33 % | 0 % |
Naoki Tajima / scheduled / last
| no matches found |
Naoki Tajima / last 50 matches
| 26.11.20 | 2nd round | Timo Stodder | Naoki Tajima | 6-3, 7-5 |  | match details |  M15 Heraklion | Hard |
| 25.11.20 | 1st round | Naoki Tajima | Mircea-Alexandru Jecan | 7-5, 6-3 |  | match details | ||
| 24.11.20 | q 2 | Naoki Tajima | Patrik Hartmeier | 6-4, 6-2 | | match details | ||
| 24.11.20 | qual. | Naoki Tajima | Henry Patten | 7-5, 7-5 | | match details | ||
| 18.11.20 | 1st round | Hanwen Li | Naoki Tajima | 5-7, 6-2, 6-1 | | match details | M15 Heraklion | Hard |
| 17.11.20 | qual. | Stefan Palosi | Naoki Tajima | 5-7, 6-3, 10-5 | | match details | ||
| 16.11.20 | q 2 | Naoki Tajima | Roman Andres Burruchaga | 6-3, 6-2 | | match details | ||
| 15.11.20 | q 1 | Naoki Tajima | Michalis Sakellaridis | 6-1, 6-1 | | match details | ||
| 08.11.20 | q 1 | Billy Harris | Naoki Tajima | 5-7, 6-1, 10-7 | | match details | M15 Heraklion | Hard |
| 11.03.20 | 1st round | Rio Noguchi | Naoki Tajima | 6-0, 6-1 | | match details |  M25 Geelong | Grass |
| 03.03.20 | 1st round | Alexander Crnokrak | Naoki Tajima | 3-6, 6-4, 7-5 | | match details | M25 Mildura | Grass |
| 19.02.20 | 1st round | Jonas Forejtek | Naoki Tajima | 6-4, 6-2 | | match details |  M15 Antalya | Clay |
| 16.02.20 | 1/4 | Naoki Tajima | Alexandar Lazarov | 6-72, 6-4, 10-6 | | match details | M15 Antalya | Clay |
| 16.02.20 | 1/2 | Juan Pablo Paz | Naoki Tajima | 6-2, 3-6, 10-5 | | match details | ||
| 15.02.20 | 1st round | Naoki Tajima | Calin Manda | 6-2, 6-3 | | match details | ||
| 15.02.20 | 2nd round | Naoki Tajima | Baran Cengiz | 7-5, 6-76, 10-5 | | match details | ||
| 04.02.20 | 1st round | Blake Mott | Naoki Tajima | 4-6, 6-1, 6-2 | | match details | Launceston Challenger | Hard |
| 03.02.20 | qual. | Naoki Tajima | Ryota Tanuma | 6-2, 6-2 | | match details | ||
| 27.01.20 | qual. | Petros Tsitsipas | Naoki Tajima | 6-4, 4-6, 6-4 | | match details | Burnie Challenger | Hard |
| 13.01.20 | 2nd round | Maverick Banes | Naoki Tajima | 6-1, 6-2 | | match details | Bendigo Challenger | Hard |
| 12.01.20 | 1st round | Naoki Tajima | Min-Kyu Song | 6-3, 6-4 | | match details | ||
| 08.01.20 | 1st round | Cing-Yang Meng | Naoki Tajima | 7-5, 1-6, 6-2 | | match details |  M15 Hong | Hard |
| 15.11.19 | 1/4 | Aziz Kijametovic | Naoki Tajima | 6-2, 6-4 | | match details |  M15 Monastir | Hard |
| 14.11.19 | 2nd round | Naoki Tajima | Jake Hersey | 6-2, 6-3 | | match details | ||
| 13.11.19 | 1st round | Naoki Tajima | Clement Geens | 3-6, 6-3, 7-5 | | match details | ||
| 07.11.19 | 2nd round | Majed Kilani | Naoki Tajima | 6-3, 6-3 | | match details | M15 Monastir | Hard |
| 06.11.19 | 1st round | Naoki Tajima | Pietro Orlando Fellin | 6-1, 6-0 | | match details | ||
| 30.10.19 | 1st round | Skander Mansouri | Naoki Tajima | 6-2, 6-4 | | match details | M25 Monastir | Hard |
| 28.10.19 | qual. | Naoki Tajima | Igor Ribeiro Marcondes | 6-4, 3-6, 10-6 | | match details | ||
| 27.10.19 | q 2 | Naoki Tajima | Skander Ben Abdallah | 6-4, 7-5 | | match details | ||
| 18.10.19 | 1/4 | Marek Gengel | Naoki Tajima | 3-6, 6-1, 6-3 | | match details |  M15 Sharm | Hard |
| 17.10.19 | 2nd round | Naoki Tajima | Kristjan Tamm | 6-2, 1-6, 6-1 | | match details | ||
| 16.10.19 | 1st round | Naoki Tajima | Max Houkes | 6-3, 6-4 | | match details | ||
| 11.10.19 | 1/4 | Adam Moundir | Naoki Tajima | 6-1, 6-3 | | match details | M15 Sharm | Hard |
| 10.10.19 | 2nd round | Naoki Tajima | Kalman L. Boyd | 6-2, 6-3 | | match details | ||
| 09.10.19 | 1st round | Naoki Tajima | Daniele Catini | 6-4, 6-2 | | match details | ||
| 24.09.19 | 1st round | Evgeny Tyurnev | Naoki Tajima | 6-1, 6-3 | | match details |  M25 Stockholm | I. hard |
| 21.09.19 | 1/2 | Savriyan Danilov | Naoki Tajima | 6-4, 6-4 | | match details |  M15 Pajulahti | I. hard |
| 20.09.19 | 1/4 | Naoki Tajima | Yanki Erel | 7-5, 1-6, 7-66 | | match details | ||
| 19.09.19 | 2nd round | Naoki Tajima | Carl Bret Parko | 6-4, 6-2 | | match details | ||
| 18.09.19 | 1st round | Naoki Tajima | Oskar Antinheimo | 6-2, 6-1 | | match details | ||
| 05.08.19 | 1st round | Shintaro Imai | Naoki Tajima | 6-2, 6-3 | | match details |  Yokkaichi Challenger | Hard |
| 25.07.19 | 2nd round | Yuta Shimizu | Naoki Tajima | 6-0, 6-4 | | match details |  M25 Nonthaburi | Hard |
| 24.07.19 | 1st round | Naoki Tajima | Niki Kaliyanda Poonacha | 6-4, 4-6, 6-1 | | match details | ||
| 02.07.19 | 1st round | Dominik Boehler | Naoki Tajima | 6-2, 6-2 | | match details |  M15 Saarlouis | Clay |
| 26.06.19 | 1st round | Luca Staeheli | Naoki Tajima | 7-5, 6-0 | | match details | M15 Kamen | Clay |
| 19.06.19 | 1st round | Ryan Nijboer | Naoki Tajima | 6-3, 6-2 | | match details |  M15 Balatonalmadi | Clay |
| 28.05.19 | 1st round | Oleg Prihodko | Naoki Tajima | 6-0, 6-1 | | match details |  M15 Irpin | Clay |
| 21.05.19 | 1st round | Nikita Mashtakov | Naoki Tajima | 6-0, 7-63 | | match details | M15 Irpin | Clay |
| 14.05.19 | 1st round | Oriol Roca Batalla | Naoki Tajima | 6-1, 6-4 | | match details |  M15 Valldoreix | Clay |
