Stadium: Center Court Round: 54 Ground: Hardcourt outdoor
| ITF M25 Herzlia | 2023/08/08 07:50 | Orel Kimhi v Kazuma Kawachi | 7-6,6-2 |
| ITF M15 Raanana | 2023/08/01 12:20 | Kazuma Kawachi v Itamar Tapiro | 6-3,2-6,5-7 |
| ITF M15 Nakhon Si Thammarat | 2023/07/12 02:00 | Kazuma Kawachi v Amir Milushev | 2-6,6-3,6-7 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 07:50 | Kokoro Isomura v Kazuma Kawachi | 6-4,6-3 |
| ITF M15 Jakarta | 2023/06/29 02:00 | Yuta Kawahashi v Kazuma Kawachi | 6-2,7-6 |
| ITF M15 Jakarta | 2023/06/28 02:00 | Yuichiro Inui v Kazuma Kawachi | 6-3,6-7,5-7 |
| ITF M15 Jakarta | 2023/06/22 02:00 | Koki Matsuda v Kazuma Kawachi | 7-6,4-6,6-2 |
| ITF M15 Jakarta | 2023/06/20 07:20 | Kazuma Kawachi v Roy Hobbs | 6-2,6-1 |