| UTR - Série Pro Suita | 2024/04/25 00:30 | Wakamatsu Taichi v Kazuma Kawachi | 4-6,2-6 |
| UTR - Série Pro Suita | 2024/04/23 00:30 | Nicholas Jovanovski v Kazuma Kawachi | 1-6,3-6 |
| UTR - Série Pro Suita | 2024/04/22 00:30 | Kazuma Kawachi v Shinji Hazawa | 6-7,7-6,1-6 |
| ITF - M15 Kashiwa | 2024/04/02 04:30 | Jake Delaney v Kazuma Kawachi | 6-1,6-2 |
| ITF - M15 Tsukuba | 2024/03/25 06:30 | Kazuma Kawachi v Kousuke Ogura | 7-6,0-6,10-12 |
| ITF - M15 Tsukuba | 2024/03/24 01:00 | Hanyi Liu v Kazuma Kawachi | 4-6,3-6 |
| ITF - M15 Chandigarh | 2024/03/19 06:00 | Bang Shuo Yin v Kazuma Kawachi | 6-2,6-2 |
| ITF - M25 New Delhi | 2024/03/13 05:20 | Bang Shuo Yin v Kazuma Kawachi | 6-4,6-3 |