Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2022/09/27 01:00 | Kokoro Isomura v Shinji Hazawa | 5-7,4-6 |
| ITF M15 Kuching | 2022/08/03 01:00 | Kokoro Isomura v Shinji Hazawa | 2-6,6-3,6-1 |
| Challenger Brisbane | 2025/01/27 02:30 | Shinji Hazawa v Leo Vithoontien | 6-4,7-6 |
| Challenger Brisbane | 2025/01/26 06:05 | Arthur Weber v Shinji Hazawa | 4-6,6-7 |
| Challenger Noumea | 2024/12/30 23:30 | Shinji Hazawa v Valentin Vacherot | 3-6,4-6 |
| Challenger Noumea | 2024/12/29 02:30 | Shinji Hazawa v Lawrence Bataljin | 6-3,6-0 |
| Challenger Yokkaichi | 2024/11/24 01:00 | Christoph Negritu v Shinji Hazawa | 7-5,6-3 |
| ITF M15 Yanagawa | 2024/11/01 03:50 | Shinji Hazawa v Yuta Kikuchi | 6-4,6-7,4-6 |
| ITF M15 Yanagawa | 2024/10/31 00:55 | Yuto Oki v Shinji Hazawa | 5-7,5-7 |
| ITF M15 Yanagawa | 2024/10/30 04:45 | Naoya Honda v Shinji Hazawa | 6-7,4-6 |
| Challenger Brisbane | 2025/01/27 00:00 | Kokoro Isomura v Colin Sinclair | 6-4,6-4 |
| Challenger Brisbane | 2025/01/26 01:30 | Kokoro Isomura v Corban Crowther | 4-6,6-3,6-4 |
| Challenger Nonthaburi | 2025/01/07 03:00 | Yu Hsiou Hsu v Kokoro Isomura | 6-2,6-1 |
| Challenger Nonthaburi | 2025/01/06 03:00 | Naoki Nakagawa v Kokoro Isomura | 0-6,5-7 |
| Challenger Nonthaburi | 2025/01/05 05:30 | Natthayut Nithithananont v Kokoro Isomura | 2-6,1-6 |
| Challenger Nonthaburi | 2024/12/30 06:00 | Clement Tabur v Kokoro Isomura | 6-2,6-1 |
| Challenger Nonthaburi | 2024/12/29 08:55 | Thanaphat Boosarawongse v Kokoro Isomura | 3-6,5-7 |
| Challenger Yokkaichi | 2024/11/25 03:55 | Kaichi Uchida v Kokoro Isomura | 6-0,6-1 |