Round: 25 Ground: Hardcourt outdoor
| ITF Japan F4 | 2016/03/27 01:00 | Ryota Tanuma v Kazuma Kawachi | 6-2,6-1 |
| ITF China F12 | 2016/07/12 02:30 | Sheng Hao Zhou v Kazuma Kawachi | 6-2,6-4 |
| ITF China F11 | 2016/07/07 02:00 | Issei Okamura v Kazuma Kawachi | 6-3,6-3 |
| ITF China F11 | 2016/07/05 03:40 | Kazuma Kawachi v Ruitong Fang | 6-4,6-3 |
| ITF Japan F8 | 2016/06/13 01:00 | Kazuma Kawachi v Yuki Mochizuki | 2-6,2-6 |
| ITF Japan F5 | 2016/04/04 00:30 | Soichiro Moritani v Kazuma Kawachi | 4-6,7-6,6-3 |
| ITF Japan F4 | 2016/03/27 01:00 | Ryota Tanuma v Kazuma Kawachi | 6-2,6-1 |
| ITF Japan F4 | 2016/03/26 00:00 | Shoma Kato v Kazuma Kawachi | 2-6,4-6 |
| ITF Japan F3 | 2016/03/19 03:45 | Kazuma Kawachi v Weiqiang Zheng | 4-6,1-6 |
| ITF China F12 | 2016/07/16 05:20 | Bastian Trinker v Ryota Tanuma | 6-1,6-7,6-3 |
| ITF China F12 | 2016/07/13 02:30 | Chukang Wang v Ryota Tanuma | 5-7,2-6 |
| ITF China F12 | 2016/07/12 04:50 | Xi Qi v Ryota Tanuma | 3-6,1-6 |
| ITF Hong Kong F3 | 2016/06/19 22:00 | Ryota Tanuma v Arata Onozawa | 1-6,5-7 |
| ITF Japan F8 | 2016/06/15 04:30 | Ryota Tanuma v Sho Katayama | 3-6,1-6 |
| ITF Japan F7 | 2016/06/09 01:00 | Yusuke Watanuki v Ryota Tanuma | 6-0,6-2 |
| ITF Japan F7 | 2016/06/06 01:00 | Ryota Tanuma v Naoto Kai | 6-4,6-3 |
| ITF Japan F6 | 2016/05/31 04:25 | Kento Takeuchi v Ryota Tanuma | 6-3,3-6,6-2 |