Round: 62 Ground: Hardcourt outdoor
| ITF Japan F7 Qual | 2015/06/13 00:00 | Naoto Kai v Keisuke Numajiri | 2-6,3-6 |
| ITF Thailand F9 | 2015/12/02 07:35 | Jirat Navasirisomboon v Kazuma Kawachi | 6-4,6-7,6-2 |
| ITF Thailand F9 | 2015/11/29 05:50 | Kazuma Kawachi v Marut Klaoklang | 6-2,6-1 |
| ITF Thailand F9 | 2015/11/28 06:30 | Kazuma Kawachi v Gianandrea Heyer | 6-2,6-1 |
| ITF Thailand F9 | 2015/11/24 07:30 | Blake Mott v Kazuma Kawachi | 6-3,6-2 |
| ITF Chinese Taipei F1 | 2015/08/24 04:55 | Kazuma Kawachi v Shawn H. Hadavi | 4-6,0-6 |
| ITF Chinese Taipei F1 Qual | 2015/08/17 06:30 | Hsin Lin v Kazuma Kawachi | 6-0,6-0 |
| ITF Thailand F9 | 2015/08/04 03:00 | Kazuma Kawachi v Akira Santillan | 3-6,1-6 |
| ITF Thailand F9 | 2015/08/02 05:20 | Congsup Congcar v Kazuma Kawachi | 6-7,7-6,2-6 |