Name: Keisuke Saitoh
Country: Japan
Birthdate: 29.04.01, 21 years
ATP ranking: 712
TOP ranking's position: 677 (13.02.23, 36 points)
Points: 34
Prize money: 15025 $
Matches total: 150
Win: 87
%: 58 %
Country: Japan
Birthdate: 29.04.01, 21 years
ATP ranking: 712
TOP ranking's position: 677 (13.02.23, 36 points)
Points: 34
Prize money: 15025 $
Matches total: 150
Win: 87
%: 58 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 9/8 | 7/6 | 2/2 | 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 | 87/63 | 62/44 | 23/16 | 0/1 | 2/1 | 0/1 | 0/0 |
| perc. % | 58 % | 58.49 % | 58.97 % | 0 % | 66.67 % | 0 % | 0 % |
Keisuke Saitoh / scheduled / last
| 28.03.23 03:00 | 1st round | Tatsuma Ito | Keisuke Saitoh  | 4-6, 3-4 LIVE | match details |  M25 Tsukuba | Hard |
Keisuke Saitoh form
Keisuke Saitoh / last 50 matches
| 24.03.23 | 2nd round | Keisuke Saitoh | Jake Delaney | 6-4, 0-6, 6-4 |  | match details |  M25 Canberra | Clay |
| 24.03.23 | 1/4 | Tristan Schoolkate | Keisuke Saitoh | 6-2, 6-4 |  | match details | ||
| 21.03.23 | 1st round | Keisuke Saitoh | Derek Pham | 6-1, 7-64 | | match details | ||
| 14.03.23 | 1st round | Jeremy Jin | Keisuke Saitoh | 7-5, 6-2 | | match details | M25 Canberra | Clay |
| 20.02.23 | q 2 | Ioannis Xilas | Keisuke Saitoh | 6-3, 6-3 | | match details |  M25 Monastir | Hard |
| 19.02.23 | q 1 | Keisuke Saitoh | Raghav Singh Panwar | 6-1, 6-1 | | match details | ||
| 13.02.23 | q 2 | Mayeul Darras | Keisuke Saitoh | 2-6, 7-66, 11-9 | | match details | M25 Monastir | Hard |
| 12.02.23 | q 1 | Keisuke Saitoh | Vitali Chvets | 6-3, 6-1 | | match details | ||
| 07.02.23 | 1st round | Arthur Bouquier | Keisuke Saitoh | 6-4, 6-4 | | match details | M25 Monastir | Hard |
| 02.02.23 | 2nd round | Mathias Bourgue | Keisuke Saitoh | 6-4, 4-6, 6-2 | | match details | M25 Monastir | Hard |
| 01.02.23 | 1st round | Keisuke Saitoh | Louis Tessa | 6-2, 4-6, 6-3 | | match details | ||
| 28.01.23 | 1/2 | Nicholas David Ionel | Keisuke Saitoh | 6-1, 7-65 | | match details |  M15 Jakarta | Hard |
| 27.01.23 | 1/4 | Keisuke Saitoh | Mitsuki Wei Kang Leong | 6-0, 4-6, 6-1 | | match details | ||
| 26.01.23 | 2nd round | Keisuke Saitoh | Taisei Ichikawa | 6-3, 3-6, 6-2 | | match details | ||
| 24.01.23 | 1st round | Keisuke Saitoh | Hao Yuan Ng | 3-6, 6-3, 6-2 | | match details | ||
| 19.01.23 | 2nd round | Sanhui Shin | Keisuke Saitoh | 5-7, 6-1, 6-1 | | match details | M15 Jakarta | Hard |
| 18.01.23 | 1st round | Keisuke Saitoh | Ray Ho | 6-3, 6-1 | | match details | ||
| 22.11.22 | 1st round | Shintaro Imai | Keisuke Saitoh | 6-4, 6-0 | | match details | Yokkaichi Challenger | Hard |
| 21.11.22 | qual. | Keisuke Saitoh | Marc Polmans | 5-3, Marc Polmans - retired | | match details | ||
| 20.11.22 | q 1 | Keisuke Saitoh | Ryota Tanuma | 4-1, Ryota Tanuma - retired | | match details | ||
| 13.11.22 | q 1 | Jason Jung | Keisuke Saitoh | 4-6, 6-3, 6-3 | | match details | Kobe Challenger | I. hard |
| 06.11.22 | q 1 | Mukund Sasikumar | Keisuke Saitoh | 6-3, 6-2 | | match details | Matsuyama Challenger | Hard |
| 30.10.22 | qual. | Seong Chan Hong | Keisuke Saitoh | 6-2, 7-5 | | match details | Yokohama Challenger | Hard |
| 29.10.22 | q 1 | Keisuke Saitoh | Jumpei Yamasaki | 6-2, 4-2, Jumpei Yamasaki - retired | | match details | ||
| 10.09.22 | 1/2 | Rio Noguchi | Keisuke Saitoh | 1-6, 6-3, 6-0 | | match details | M25 Sapporo | Hard |
| 09.09.22 | 1/4 | Keisuke Saitoh | Ryota Tanuma | 0-6, 6-4, 6-3 | | match details | ||
| 08.09.22 | 2nd round | Keisuke Saitoh | Shunsuke Nakagawa | 6-1, 6-2 | | match details | ||
| 07.09.22 | 1st round | Keisuke Saitoh | Kazuki Nishiwaki | 6-3, 6-2 | | match details | ||
| 30.08.22 | 1st round | Daisuke Sumizawa | Keisuke Saitoh | 7-5, 3-6, 6-4 | | match details | M25 Sapporo | Hard |
| 04.08.22 | 2nd round | Tsung-Hao Huang | Keisuke Saitoh | 6-1, 6-0 | | match details |  M15 Kuching | Hard |
| 02.08.22 | 1st round | Keisuke Saitoh | Vishnu Vardhan | 6-1, 7-5 | | match details | ||
| 30.07.22 | 1/2 | Nam Hoang Ly | Keisuke Saitoh | 6-2, 6-3 | | match details | M15 Kuala | Hard |
| 29.07.22 | 1/4 | Keisuke Saitoh | Uisung Park | 6-3, 6-3 | | match details | ||
| 28.07.22 | 2nd round | Keisuke Saitoh | Ching-Mou Yu | Ching-Mou Yu - walk over | | match details | ||
| 26.07.22 | 1st round | Keisuke Saitoh | Hao Sheng Koay | 6-3, 6-1 | | match details | ||
| 07.07.22 | 2nd round | Guy Orly Iradukunda | Keisuke Saitoh | 6-1, 6-0 | | match details | M15 Monastir | Hard |
| 06.07.22 | 1st round | Keisuke Saitoh | Egor Tsarapkin | 6-2, 6-2 | | match details | ||
| 30.06.22 | 2nd round | Terence Atmane | Keisuke Saitoh | 6-3, 6-4 | | match details | M15 Monastir | Hard |
| 29.06.22 | 1st round | Keisuke Saitoh | Chukang Wang | 6-1, 6-3 | | match details | ||
| 23.06.22 | 2nd round | Xiaofei Wang | Keisuke Saitoh | 2-6, 6-1, 6-4 | | match details | M15 Monastir | Hard |
| 21.06.22 | 1st round | Keisuke Saitoh | Gabriele Bosio | 6-4, 7-5 | | match details | ||
| 17.06.22 | 1/4 | Skander Mansouri | Keisuke Saitoh | 6-3, 6-1 | | match details | M15 Monastir | Hard |
| 16.06.22 | 2nd round | Keisuke Saitoh | Joshua Charlton | 4-6, 6-4, 6-3 | | match details | ||
| 14.06.22 | 1st round | Keisuke Saitoh | Ray Ho | 6-3, 6-4 | | match details | ||
| 27.05.22 | 1/4 | Marcello Serafini | Keisuke Saitoh | 3-1, Keisuke Saitoh - retired | | match details |  M15 Ulcinj | Clay |
| 26.05.22 | 2nd round | Keisuke Saitoh | Maxime Chazal | 7-5, 6-2 | | match details | ||
| 24.05.22 | 1st round | Keisuke Saitoh | Kiyan Santino Kasemi | 6-0, 6-1 | | match details | ||
| 17.05.22 | 1st round | Juan Pablo Paz | Keisuke Saitoh | 6-2, 6-2 | | match details | M25 Ulcinj | Clay |
| 13.05.22 | 1/4 | Valentin Royer | Keisuke Saitoh | 6-3, 6-4 | | match details | M15 Ulcinj | Clay |
| 12.05.22 | 2nd round | Keisuke Saitoh | Arthur Reymond | 6-1, 6-4 | | match details |