Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Nakhon Si Thammarat | 2023/06/13 04:50 | Koki Matsuda v Krittin Koaykul | 6-3,4-6,6-7 |
| ITF M15 Nakhon Si Thammarat | 2023/06/07 03:45 | Koki Matsuda v Orel Kimhi | 4-6,3-6 |
| ITF M25 Jakarta | 2023/04/27 03:00 | Koki Matsuda v Digvijay Pratap Singh | 2-6,3-6 |
| ITF M25 Jakarta | 2023/04/26 05:35 | Anthony Susanto v Koki Matsuda | 3-6,4-6 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Yunseok Jang v Koki Matsuda | 7-5,6-2 |
| ITF M25 Jakarta | 2023/04/18 04:10 | Koki Matsuda v Andrew Rogers | 6-7,6-3,10-4 |
| ITF M25 Jakarta | 2023/04/17 07:00 | Koki Matsuda v Gunawan Trismuwantara | 6-1,6-4 |
| ITF M25 Kashiwa | 2023/04/03 01:00 | Koki Matsuda v Issei Okamura | 1-6,2-6 |
| ITF M15 Jakarta | 2023/06/20 07:20 | Kazuma Kawachi v Roy Hobbs | 6-2,6-1 |
| ITF M15 Jakarta | 2023/06/17 02:00 | Kazuma Kawachi v Justin Barki | 4-6,4-6 |
| ITF M15 Jakarta | 2023/06/15 02:00 | Kazuma Kawachi v Gunawan Trismuwantara | 6-1,6-2 |
| ITF M15 Jakarta | 2023/06/14 02:00 | Kazuma Kawachi v Moerani Bouzige | 6-4,6-4 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Kazuma Kawachi v Tatsuma Ito | 1-6,4-6 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Kazuma Kawachi v Ko Suzuki | 6-2,1-6,7-5 |
| ITF M15 Karuizawa | 2023/05/30 07:05 | Kazuma Kawachi v Ko Nagashima | 6-2,6-3 |
| ITF M15 Monastir | 2023/04/18 12:45 | Bogdan Bobrov v Kazuma Kawachi | 6-2,6-3 |