Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2022/05/10 11:55 | Tai Leonard Sach v Kazuma Kawachi | 6-2,3-6,1-6 |
| UTR Pro Suita | 2024/04/28 00:30 | Yuta Kikuchi v Kazuma Kawachi | 1-6,3-6 |
| UTR Pro Suita | 2024/04/27 00:30 | Taketo Takamisawa v Kazuma Kawachi | 0-6,1-6 |
| UTR Pro Suita | 2024/04/26 00:30 | Yamato Nishiyama v Kazuma Kawachi | 2-6,3-6 |
| UTR Pro Suita | 2024/04/25 00:30 | Wakamatsu Taichi v Kazuma Kawachi | 4-6,2-6 |
| UTR Pro Suita | 2024/04/23 00:30 | Nicholas Jovanovski v Kazuma Kawachi | 1-6,3-6 |
| UTR 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 Monastir | 2024/05/06 15:15 | Tai Leonard Sach v Kyle Rae | 7-6,6-3 |
| ITF M15 Monastir | 2024/05/06 08:00 | Tai Leonard Sach v Sohrob Amiryavari | 6-1,6-1 |
| ITF M15 Monastir | 2024/04/29 08:30 | Tai Leonard Sach v Kacper Szymkowiak | 2-6,4-6 |
| ITF M15 Monastir | 2024/04/24 15:00 | Kris Van Wyk v Tai Leonard Sach | 6-3,6-4 |
| ITF M15 Monastir | 2024/04/22 12:30 | Tai Leonard Sach v Daniels Tens | 6-1,6-1 |
| ITF M15 Monastir | 2024/04/22 08:00 | Tai Leonard Sach v Valentin Faure | 6-3,6-3 |
| ITF M15 Monastir | 2024/04/21 08:00 | Tai Leonard Sach v Josh Roe Flannelly | 6-1,6-0 |
| ITF M15 Monastir | 2024/04/14 08:30 | Hugo Pierre v Tai Leonard Sach | 6-3,1-6,12-10 |