Name: Keisuke Saitoh
Country: Japan
Birthdate: 29.04.01, 24 years
ATP ranking: 553
TOP ranking's position: 553 (21.04.25, 66 points)
Points: 66
Prize money: 42.623 $
Matches total: 264
Win: 149
%: 56.44 %
Country: Japan
Birthdate: 29.04.01, 24 years
ATP ranking: 553
TOP ranking's position: 553 (21.04.25, 66 points)
Points: 66
Prize money: 42.623 $
Matches total: 264
Win: 149
%: 56.44 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 8/9 | 8/9 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2024 | 46/24 | 39/17 | 7/6 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2023 | 17/27 | 14/23 | 3/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 29/21 | 25/17 | 4/3 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2021 | 35/19 | 20/9 | 15/10 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 6/4 | 6/4 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 8/11 | 4/8 | 2/1 | 0/0 | 2/1 | 0/1 | 0/0 |
| TOTAL | 149/115 | 116/87 | 31/24 | 0/2 | 2/1 | 0/1 | 0/0 |
| perc. % | 56.44 % | 57.14 % | 56.36 % | 0 % | 66.67 % | 0 % | 0 % |
Keisuke Saitoh / Fixtures
| 23.04.25 05:05 | 1st round | Riku Takahata  | Keisuke Saitoh | 6-4, 6-4 | match details |  M15 Osaka | Hard |
Keisuke Saitoh form
Keisuke Saitoh / Latest Scores
| 23.04.25 | 1st round | Riku Takahata | Keisuke Saitoh | 6-4, 6-4 |  | match details | M15 Osaka | Hard |
| 06.04.25 | fin | Yusuke Takahashi | Keisuke Saitoh | 6-2, 6-0 | | match details | M15 Kashiwa | Hard |
| 06.04.25 | 1/2 | Keisuke Saitoh | Hikaru Shiraishi | 6-75, 6-4, 7-65 |  | match details | ||
| 05.04.25 | 1/4 | Keisuke Saitoh | Ryotaro Matsumura | 4-6, 6-2, 6-3 | | match details | ||
| 04.04.25 | 2nd round | Keisuke Saitoh | Issei Okamura | 6-2, 6-2 | | match details | ||
| 01.04.25 | 1st round | Keisuke Saitoh | Ryo Tabata | 6-1, 4-6, 6-3 | | match details | ||
| 21.03.25 | 1/4 | Oliver Crawford | Keisuke Saitoh | 6-3, 6-2 | | match details |  M25 Shenzhen | Hard |
| 20.03.25 | 2nd round | Keisuke Saitoh | Jie Cui | 3-6, 5-1, Jie Cui - retired | | match details | ||
| 18.03.25 | 1st round | Keisuke Saitoh | Naoki Tajima | 6-4, 6-1 | | match details | ||
| 12.03.25 | 1st round | Kaichi Uchida | Keisuke Saitoh | 3-6, 6-3, 6-2 | | match details | M25 Luan | Hard |
| 12.02.25 | 1st round | Kody Pearson | Keisuke Saitoh | 6-3, 6-1 | | match details |  M25 Timaru | Hard |
| 04.02.25 | 1st round | Andre Ilagan | Keisuke Saitoh | 7-5, 6-2 | | match details |  Brisbane 2 | Hard |
| 03.02.25 | qual. | Keisuke Saitoh | Thomas Braithwaite | 6-4, 6-4 | | match details | ||
| 02.02.25 | q 1 | Keisuke Saitoh | Ty Host | 6-2, 6-4 | | match details | ||
| 26.01.25 | q 1 | Sam Ryan Ziegann | Keisuke Saitoh | 6-2, 6-4 | | match details | Brisbane 1 | Hard |
| 05.01.25 | q 1 | Jakub Paul | Keisuke Saitoh | 6-3, 6-4 | | match details |  Nonthaburi 2 | Hard |
| 31.12.24 | 1st round | Shintaro Mochizuki | Keisuke Saitoh | 6-4, 6-4 | | match details |  Noumea Challenger | Hard |
| 24.12.24 | 1st round | Fitriadi M Rifqi | Keisuke Saitoh | 4-6, 7-5, 6-2 | | match details |  M15 Bali | Hard |
| 25.11.24 | qual. | Jakub Paul | Keisuke Saitoh | 7-63, 7-62 | | match details | Yokkaichi Challenger | Hard |
| 24.11.24 | q 1 | Keisuke Saitoh | Ji Sung Nam | 6-1, 6-3 | | match details | ||
| 16.11.24 | q 1 | Petr Bar Biryukov | Keisuke Saitoh | 7-5, 6-2 | | match details | Yokohama Challenger | Hard |
| 22.09.24 | fin | Masamichi Imamura | Keisuke Saitoh | Keisuke Saitoh - walk over | | match details | M25 Takasaki | Hard |
| 21.09.24 | 1/2 | Keisuke Saitoh | Goncalo Oliveira | 5-1, Goncalo Oliveira - retired | | match details | ||
| 20.09.24 | 1/4 | Keisuke Saitoh | Yusuke Takahashi | 6-3, 6-4 | | match details | ||
| 19.09.24 | 2nd round | Keisuke Saitoh | Kosuke Ogura | 6-0, 1-6, 6-1 | | match details | ||
| 17.09.24 | 1st round | Keisuke Saitoh | Naoya Honda | 7-65, 6-0 | | match details | ||
| 12.09.24 | 2nd round | Shintaro Imai | Keisuke Saitoh | 6-2, 7-66 | | match details | M25 Sapporo | Hard |
| 10.09.24 | 1st round | Keisuke Saitoh | Daisuke Sumizawa | 6-1, 6-2 | | match details | ||
| 06.09.24 | 1/4 | Kokoro Isomura | Keisuke Saitoh | 6-2, 6-4 | | match details | M25 Sapporo | Hard |
| 05.09.24 | 2nd round | Keisuke Saitoh | Hiromasa Koyama | 6-0, 4-6, 6-3 | | match details | ||
| 04.09.24 | 1st round | Keisuke Saitoh | Masamichi Imamura | 7-5, 6-2 | | match details | ||
| 07.08.24 | 1st round | Tsung-Hao Huang | Keisuke Saitoh | 6-3, 6-2 | | match details | .png){kind=small} M25 Taipei | Hard |
| 04.08.24 | fin | Keisuke Saitoh | Yu Hsiou Hsu | 6-3, 6-1 | | match details | M25 Taipei | Hard |
| 03.08.24 | 1/2 | Keisuke Saitoh | Ryotaro Taguchi | 3-6, 7-63, 7-64 | | match details | ||
| 02.08.24 | 1/4 | Keisuke Saitoh | Takuya Kumasaka | 6-1, 6-4 | | match details | ||
| 01.08.24 | 2nd round | Keisuke Saitoh | Kokoro Isomura | 6-3, 6-4 | | match details | ||
| 31.07.24 | 1st round | Keisuke Saitoh | Tomohiro Masabayashi | 6-1, 6-0 | | match details | ||
| 29.07.24 | qual. | Keisuke Saitoh | Chen-Yu Lu | 6-3, 6-0 | | match details | ||
| 28.07.24 | q 1 | Keisuke Saitoh | Nan Hsun Lin | 6-0, 6-1 | | match details | ||
| 02.07.24 | 1st round | Kenta Miyoshi | Keisuke Saitoh | 7-69, 6-0 | | match details | M15 Tokyo | I. hard |
| 04.06.24 | 1st round | Saba Purtseladze | Keisuke Saitoh | 6-3, 6-4 | | match details |  M25 Kursumlijska | Clay |
| 28.05.24 | 1st round | Yanaki Milev | Keisuke Saitoh | 6-2, 6-4 | | match details | M15 Kursumlijska | Clay |
| 23.05.24 | 2nd round | Hayato Matsuoka | Keisuke Saitoh | 6-4, 6-4 | | match details | M15 Kursumlijska | Clay |
| 22.05.24 | 1st round | Keisuke Saitoh | Milos Mikovic | 6-1, 6-0 | | match details | ||
| 17.05.24 | 1/4 | Edas Butvilas | Keisuke Saitoh | 7-63, 3-6, 6-2 | | match details | M15 Kursumlijska | Clay |
| 16.05.24 | 2nd round | Keisuke Saitoh | Ignacio Parisca | 7-64, 6-1 | | match details | ||
| 14.05.24 | 1st round | Keisuke Saitoh | Daisuke Sumizawa | 6-4, 5-7, 6-3 | | match details | ||
| 09.05.24 | 2nd round | Peter Buldorini | Keisuke Saitoh | 1-6, 6-1, 6-1 | | match details | M25 Kursumlijska | Clay |
| 08.05.24 | 1st round | Keisuke Saitoh | Aleksandar Hudjec | 6-0, 6-2 | | match details | ||
| 01.05.24 | 1st round | Branko Djuric | Keisuke Saitoh | 6-4, 6-2 | | match details | M15 Kursumlijska | Clay |
