Stadium: Center Court Round: 54 Ground: Hardcourt outdoor
| ITF M25 Taipei | 2019/07/23 04:30 | Kazuma Kawachi v Arturs Lazdins | 2-6,6-3,2-10 |
| ITF M25 Taipei | 2019/07/16 02:00 | Kazuma Kawachi v Kousuke Ogura | 0-6,1-6 |
| ITF M25 Qujing | 2019/07/11 03:25 | Fajing Sun v Kazuma Kawachi | 6-2,6-3 |
| ITF M25 Qujing | 2019/07/10 03:05 | Kazuma Kawachi v Liran Chen | 4-6,7-6,6-4 |
| ITF M15 Akishima | 2019/06/14 01:00 | Yuta Kawahashi v Kazuma Kawachi | 7-5,6-1 |
| ITF M15 Akishima | 2019/06/13 03:25 | Kazuma Kawachi v Rimpei Kawakami | 6-3,6-1 |
| ITF M15 Akishima | 2019/06/11 05:30 | Kazuma Kawachi v Yuichi Ito | 6-2,6-1 |
| ITF M15 Singapore | 2019/06/06 09:00 | Dayne Kelly v Kazuma Kawachi | 6-3,6-1 |
| ITF M25 Nonthaburi | 2019/07/30 06:30 | Pol Wattanakul v Credit Chaiyarin | 6-2,4-6,6-4 |
| ITF M25 Nonthaburi | 2019/07/23 05:45 | Credit Chaiyarin v Soichiro Moritani | 2-6,3-6 |
| ITF Dominican Republic F1 | 2018/11/25 14:00 | Luis Britto v Credit Chaiyarin | 6-2,6-0 |
| ITF Dominican Republic F1 | 2018/11/24 14:30 | Credit Chaiyarin v Tomas Krcma | 6-1,6-1 |
| ITF USA F30 | 2018/11/03 19:00 | Cannon Kingsley v Credit Chaiyarin | 6-1,6-1 |
| ITF USA F29 | 2018/10/26 23:00 | Credit Chaiyarin v Jonathan Sorbo | 5-7,5-7 |
| ITF USA F28B | 2018/10/20 15:30 | Credit Chaiyarin v Joseph Corse | 4-6,6-1,6-7 |