Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Taipei | 2024/08/01 04:20 | Kokoro Isomura v Keisuke Saitoh | 3-6,4-6 |
| ITF M25 Taipei | 2024/07/31 03:25 | Keisuke Saitoh v Tomohiro Masabayashi | 6-1,6-0 |
| ITF M25 Taipei | 2024/07/29 02:00 | Keisuke Saitoh v Chen-Yu Lu | 6-3,6-0 |
| ITF M15 Tokyo | 2024/07/02 04:40 | Keisuke Saitoh v Kenta Miyoshi | 6-7,0-6 |
| ITF M25 Kursumlijska Banja | 2024/06/04 10:50 | Saba Purtseladze v Keisuke Saitoh | 6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2024/05/28 09:30 | Yanaki Milev v Keisuke Saitoh | 6-2,6-4 |
| ITF M15 Kursumlijska Banja | 2024/05/23 11:55 | Hayato Matsuoka v Keisuke Saitoh | 6-4,6-4 |
| ITF M15 Kursumlijska Banja | 2024/05/22 07:00 | Milos Mikovic v Keisuke Saitoh | 1-6,0-6 |
| ITF M25 Taipei | 2024/07/30 01:55 | Taisei Ichikawa v Takuya Kumasaka | 3-6,4-6 |
| ITF M25 Tianjin | 2024/07/16 05:40 | Takuya Kumasaka v Fnu Nidunjianzan | 5-7,6-4,6-2 |
| ITF M15 Tokyo | 2024/07/10 01:55 | Masamichi Imamura v Takuya Kumasaka | 6-4,6-4 |
| ITF M25 Anning | 2024/05/24 03:00 | Takuya Kumasaka v Nico Hornitschek | 6-4,6-7,6-7 |
| ITF M25 Anning | 2024/05/23 06:10 | Takuya Kumasaka v Hanyi Liu | 7-6,4-6,6-3 |
| ITF M25 Anning | 2024/05/22 07:55 | Zhe Li v Takuya Kumasaka | 5-7,6-3,5-7 |
| ITF M25 Luan | 2024/05/18 02:00 | Takuya Kumasaka v Fajing Sun | 3-6,1-6 |
| ITF M25 Luan | 2024/05/17 04:45 | Sheng Tang v Takuya Kumasaka | 6-7,3-6 |