Stadium: Court A Round: 45
| ITF China F13 | 2016/07/19 07:35 | Kazuma Kawachi v Ryota Tanuma | 4-6,2-6 |
| ITF Japan F4 | 2016/03/27 01:00 | Ryota Tanuma v Kazuma Kawachi | 6-2,6-1 |
| ITF China F3 | 2018/01/24 03:00 | Ryota Tanuma v Ivan Nedelko | 3-6,5-7 |
| ITF China F3 | 2018/01/22 05:55 | Tyler Lu v Ryota Tanuma | 3-6,3-6 |
| ITF China F2 | 2018/01/17 05:10 | Yan Bai v Ryota Tanuma | 1-6,7-5,6-2 |
| ITF China F2 | 2018/01/16 02:00 | Ryota Tanuma v Shao-Fan Liu | 6-2,6-1 |
| ITF China F1 | 2018/01/12 04:10 | Ryota Tanuma v Huixin Wang | 6-7,3-6 |
| ITF China F1 | 2018/01/11 02:30 | Ryota Tanuma v Issei Okamura | 6-1,6-2 |
| ITF China F1 | 2018/01/09 05:00 | Ryota Tanuma v Tyler Lu | 6-4,6-3 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Ryota Tanuma v Ji Sung Nam | 4-6,2-6 |
| ITF Kuwait F2 | 2017/11/04 06:00 | Kazuma Kawachi v Anvit Bendre | 6-1,6-4 |
| ITF Kuwait F1 | 2017/10/30 07:40 | Kazuma Kawachi v David Pichler | 2-6,7-5,1-6 |
| ITF Thailand F8 Qual | 2017/10/08 04:50 | Chien Hsun Lo v Kazuma Kawachi | 6-0,6-3 |
| ITF Thailand F7 | 2017/10/03 11:55 | Kuan-Yi Lee v Kazuma Kawachi | 6-0,6-1 |
| ITF Thailand F7 Qual | 2017/10/02 02:30 | Kazuma Kawachi v Luca Castelnuovo | 6-3,6-1 |
| ITF Thailand F7 Qual | 2017/10/01 02:30 | Kazuma Kawachi v Natthasith Kunsuwan | 6-2,6-4 |
| ITF India F8 | 2017/09/09 07:30 | Kazuma Kawachi v Fahad Mohammed | 7-5,6-1 |
| ITF India F7 | 2017/09/04 05:25 | Kazuma Kawachi v Vijayant Malik | 3-6,6-7 |