| ITF M15 Akishima | 06/12 02:40 | 25 | Keisuke Saitoh v Kyohei Yamanaka | 6-1,6-3 | |
| ITF M15 Akishima | 06/11 05:00 | 54 | Winter Meagher v Kyohei Yamanaka | 0-6,4-6 | |
| ITF M15 Akishima | 06/11 00:00 | 54 | Kyohei Yamanaka v Kento Tagashira | 6-1,3-6,10-5 | |
| ITF Japan F8 | 06/09 05:30 | 62 | Kazuki Shimizu v Kyohei Yamanaka | 6-1,7-6 | |
| ITF Japan F8 | 06/09 01:00 | 62 | Akito Higa v Kyohei Yamanaka | 2-6,2-6 | |
| ITF Japan F7 Qual | 06/03 02:50 | 54 | Ryota Kishi v Kyohei Yamanaka | 6-1,6-2 | |
| ITF Japan F7 Qual | 06/02 01:00 | 54 | Kyohei Yamanaka v Christopher Cajigan | 7-6,6-0 |