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: 71.661 $
Matches total: 447
Win: 254
%: 56.82 %
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: 71.661 $
Matches total: 447
Win: 254
%: 56.82 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 13/6 | 6/4 | 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 | 254/193 | 202/149 | 30/27 | 16/10 | 6/5 | 0/2 | 0/0 |
| perc. % | 56.82 % | 57.55 % | 52.63 % | 61.54 % | 54.55 % | 0 % | 0 % |
Jumpei Yamasaki / Fixtures
| 24.04.25 | 2nd round | Hikaru Shiraishi | Jumpei Yamasaki | match details |  M15 Osaka | Hard |
Jumpei Yamasaki form / year 2015
Jumpei Yamasaki / year 2015
| 12.10.15 | qual. | Jumpei Yamasaki | Dorian Descloix | 7-5, 6-1 |  | match details |  Spain F33 | Hard |
| 12.10.15 | 2nd round | David Vega Hernandez | Jumpei Yamasaki | 6-4, 6-2 |  | match details | ||
| 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 | q 2 | Jumpei Yamasaki | Daniel Lopez Rey | 6-1, 6-1 | | match details | ||
| 05.10.15 | 1st round | Viktor Durasovic | Jumpei Yamasaki | 6-4, 3-6, 6-0 | | match details | Spain F32 | Clay |
| 05.10.15 | qual. | Jumpei Yamasaki | Pol Amoros Ramos | 6-1, 6-1 | | match details | ||
| 05.10.15 | q 1 | Jumpei Yamasaki | Adil Tleshov | 6-1, 6-1 | | match details | ||
| 05.10.15 | q 2 | Jumpei Yamasaki | Manel Perez Esteve | 6-0, 6-2 | | match details | ||
| 28.09.15 | qual. | Jumpei Yamasaki | Raul Brancaccio | 2-6, 7-64, 6-3 | | match details | Spain F31 | Clay |
| 28.09.15 | q 1 | Jumpei Yamasaki | Carlos Franco | 6-1, 6-1 | | match details | ||
| 28.09.15 | 1st round | Steven Diez | Jumpei Yamasaki | 6-1, 6-0 | | match details | ||
| 28.09.15 | q 2 | Jumpei Yamasaki | Pedro De Paula | 6-1, 6-4 | | match details | ||
| 21.09.15 | q 1 | Jumpei Yamasaki | Enrique Paya Gonzalez | 6-1, 6-1 | | match details | Spain F30 | Clay |
| 21.09.15 | q 2 | Nicola Kuhn | Jumpei Yamasaki | 7-5, 6-2 | | 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 | ||
| 04.07.15 | 1st round | Casper Ruud | Jumpei Yamasaki | 7-62, 6-72, 6-3 | | match details |  Wimbledon (juniors) | Grass |
| 15.06.15 | 2nd round | Jumpei Yamasaki | Ben Mclachlan | 6-4, 6-4 | | match details | Japan F7 | Carpet |
| 15.06.15 | 1st round | Jumpei Yamasaki | Keita Koyama | 4-6, 6-4, 5-1, Keita Koyama - retired | | match details | ||
| 15.06.15 | 1/2 | Hiroyasu Ehara | Jumpei Yamasaki | 6-2, 6-2 | | match details | ||
| 15.06.15 | 1/4 | Jumpei Yamasaki | Arata Onozawa | 2-6, 6-4, 6-0 | | match details | ||
| 15.06.15 | q 2 | Jumpei Yamasaki | Yosuke Watanuki | 7-5, 6-3 | | match details | ||
| 15.06.15 | qual. | Jumpei Yamasaki | Masakatsu Noguchi | 7-5, 6-4 | | 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 | ||
| 01.06.15 | 1st round | Tommy Paul | Jumpei Yamasaki | 6-2, 7-63 | | match details |  French Open | Clay |
| 04.05.15 | 1st round | Filippo Leonardi | Jumpei Yamasaki | 7-5, 3-6, 6-3 | | match details |  Italy F8 | Clay |
| 27.04.15 | 1st round | Federico Maccari | Jumpei Yamasaki | 6-4, 7-5 | | match details | Italy F7 | Clay |
| 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 |
