Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Taipei | 2024/07/31 03:55 | Stefanos Sakellaridis v Kokoro Isomura | 7-6,3-6,6-7 |
| ITF M15 Tokyo | 2024/07/12 02:00 | Kokoro Isomura v Jeamoon Lee | 2-6,4-6 |
| ITF M15 Tokyo | 2024/07/11 03:40 | Sanhui Shin v Kokoro Isomura | 6-2,3-6,3-6 |
| ITF M15 Tokyo | 2024/07/09 04:55 | Evan Zhu v Kokoro Isomura | 2-6,2-6 |
| ITF M15 Tokyo | 2024/07/06 04:00 | Masamichi Imamura v Kokoro Isomura | 6-1,7-6 |
| ITF M15 Tokyo | 2024/07/05 02:00 | Kokoro Isomura v Makoto Ochi | 3-6,6-4,6-1 |
| ITF M15 Tokyo | 2024/07/04 03:50 | Kokoro Isomura v Kenta Miyoshi | 7-5,3-6,6-3 |
| ITF M15 Tokyo | 2024/07/03 03:55 | Kokoro Isomura v Yuta Kikuchi | 6-3,4-6,6-3 |
| 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 M15 Kursumlijska Banja | 2024/05/17 07:00 | Keisuke Saitoh v Edas Butvilas | 6-7,6-3,2-6 |