Name: Jumpei Yamasaki
Country: Japan
Birthdate: 02.07.97, 27 years
ATP ranking: 896
TOP ranking's position: 446 (30.09.19, 71 points)
Points: 20
Prize money: 71661 $
Matches total: 451
Win: 257
%: 56.98 %
Country: Japan
Birthdate: 02.07.97, 27 years
ATP ranking: 896
TOP ranking's position: 446 (30.09.19, 71 points)
Points: 20
Prize money: 71661 $
Matches total: 451
Win: 257
%: 56.98 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 16/7 | 9/5 | 0/0 | 7/2 | 0/0 | 0/0 | 0/0 |
| 2024 | 14/11 | 14/11 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 16/13 | 12/12 | 4/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 25/13 | 25/13 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 9/18 | 7/11 | 2/7 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 1/4 | 1/3 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2019 | 38/21 | 33/15 | 0/3 | 4/2 | 1/1 | 0/0 | 0/0 |
| 2018 | 42/33 | 37/29 | 2/1 | 3/3 | 0/0 | 0/0 | 0/0 |
| 2017 | 19/26 | 17/20 | 0/2 | 2/2 | 0/2 | 0/0 | 0/0 |
| 2016 | 44/24 | 38/21 | 6/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 19/13 | 7/5 | 7/6 | 0/0 | 5/1 | 0/1 | 0/0 |
| 2014 | 9/8 | 4/4 | 5/3 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2013 | 5/3 | 1/1 | 4/1 | 0/0 | 0/1 | 0/0 | 0/0 |
| TOTAL | 257/194 | 205/150 | 30/27 | 16/10 | 6/5 | 0/2 | 0/0 |
| perc. % | 56.98 % | 57.75 % | 52.63 % | 61.54 % | 54.55 % | 0 % | 0 % |
Jumpei Yamasaki / scheduled / last
| no matches found |
Jumpei Yamasaki form / year 2013 / surface: Clay
Jumpei Yamasaki / year 2013 / surface: Clay
| 24.06.13 | qual. | Jumpei Yamasaki | Daniel Ferretti | 6-1, 6-2 |  | match details |  Japan F7 | Clay |
| 24.06.13 | 1st round | Jumpei Yamasaki | Xin Gao | 6-0, 6-4 | | match details | ||
| 24.06.13 | 1/4 | Yasutaka Uchiyama | Jumpei Yamasaki | 6-1, 7-5 |  | match details | ||
| 24.06.13 | 2nd round | Jumpei Yamasaki | Kenichi Sakakibara | 6-0, 6-1 | | match details | ||
| 24.06.13 | q 1 | Jumpei Yamasaki | Ken Onoda | 6-1, 6-4 | | match details |
