Name: Jumpei Yamasaki
Country: Japan
Birthdate: 02.07.97, 26 years
ATP ranking: 895
TOP ranking's position: 446 (30.09.19, 71 points)
Points: 15
Prize money: 69258 $
Matches total: 417
Win: 235
%: 56.35 %
Country: Japan
Birthdate: 02.07.97, 26 years
ATP ranking: 895
TOP ranking's position: 446 (30.09.19, 71 points)
Points: 15
Prize money: 69258 $
Matches total: 417
Win: 235
%: 56.35 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 8/6 | 8/6 | 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 | 235/182 | 190/140 | 30/27 | 9/8 | 6/5 | 0/2 | 0/0 |
| perc. % | 56.35 % | 57.58 % | 52.63 % | 52.94 % | 54.55 % | 0 % | 0 % |
Jumpei Yamasaki / scheduled / last
| no matches found |
Jumpei Yamasaki form / year 2015 / surface: Hard
Jumpei Yamasaki / year 2015 / surface: Hard
| 12.10.15 | qual. | Jumpei Yamasaki | Dorian Descloix | 7-5, 6-1 |  | match details |  Spain F33 | Hard |
| 12.10.15 | 1st round | Jumpei Yamasaki | Joshua Paris | 6-3, 6-2 | | match details | ||
| 12.10.15 | q 1 | Jumpei Yamasaki | Fernando Zuniga Cantillana | 6-3, 6-0 | | match details | ||
| 12.10.15 | 2nd round | David Vega Hernandez | Jumpei Yamasaki | 6-4, 6-2 |  | match details | ||
| 12.10.15 | q 2 | Jumpei Yamasaki | Daniel Lopez Rey | 6-1, 6-1 | | match details | ||
| 08.09.15 | 2nd round | Alex De Minaur | Jumpei Yamasaki | 6-1, 7-64 | | match details |  U.S. Open | Hard |
| 07.09.15 | 1st round | Jumpei Yamasaki | Tomas Barrios Vera | 2-6, 6-4, 6-3 | | match details | ||
| 08.06.15 | 2nd round | Yuuya Kibi | Jumpei Yamasaki | 7-63, 6-2 | | match details |  Japan F6 | Hard |
| 08.06.15 | 1st round | Jumpei Yamasaki | Ku Keon Kang | 6-4, 7-64 | | match details | ||
| 30.03.15 | 1st round | Jumpei Yamasaki | Naoki Nakagawa | 7-61, 6-4 | | match details | Japan F4 | Hard |
| 30.03.15 | 2nd round | Yusuke Watanuki | Jumpei Yamasaki | 7-60, 6-3 | | match details | ||
| 24.01.15 | 1st round | Soon-Woo Kwon | Jumpei Yamasaki | 6-3, 7-63 | | match details |  Australian Open | Hard |