| ITF Hong Kong F5 | 2017/12/23 05:00 | Kai, Wai Yu v Saito, Takashi | 1-6,0-6 |
| Hong Kong F4, Simples | 2017/12/16 04:30 | Wang, Huixin v Kai, Wai Yu | 6-0,6-0 |
| ITF China F9 Qual | 2017/05/29 05:00 | Kai, Wai Yu v Li, Zhao-Tai | 3-6,2-6 |
| ITF Hong Kong F2 Qual | 2017/06/25 03:00 | Hovhannisyan, Mousheg v Tomohiro Masabayashi | 6-2,6-4 |
| ITF Hong Kong F2 Qual | 2017/06/24 03:00 | Rynsaardt, Patrick v Tomohiro Masabayashi | 1-6,0-6 |
| ITF Hong Kong F1 | 2017/06/21 07:00 | Alcantara, Francis Casey v Tomohiro Masabayashi | 6-4,6-4 |
| ITF Hong Kong F1 | 2017/06/19 06:00 | Tomohiro Masabayashi v Wong, San | 6-1,6-1 |
| ITF Japan F8 | 2017/06/11 00:00 | Rio Noguchi v Tomohiro Masabayashi | 6-2,6-1 |
| ITF Japan F7 | 2017/06/06 05:40 | Inoue, Haru v Tomohiro Masabayashi | 6-1,6-3 |
| ITF Japan F7 | 2017/06/04 01:00 | Shirafuji, Naru v Tomohiro Masabayashi | 3-6,4-6 |
| ITF Japan F7 | 2017/06/03 04:00 | Tomohiro Masabayashi v Oku, Hiromasa | 6-2,7-5 |