| ITF - Japan F7 - Qualifikation | 2016/06/05 01:00 | Renta Tokuda v Rio Noguchi | 4-6,2-6 |
| ITF - Japan F6 | 2016/05/31 08:00 | Renta Tokuda v Deiton Baughman | 3-6,3-6 |
| ITF - Japan F6 - Qualifikation | 2016/05/29 01:00 | Renta Tokuda v Shunrou Takeshima | 3-6,6-2,6-2 |
| ITF - Japan F6 - Qualifikation | 2016/05/28 01:00 | Renta Tokuda v Tomohiro Masabayashi | 6-2,6-4 |
| ITF - China F6 | 2016/05/13 02:00 | Renta Tokuda v Michael Geerts | 5-7,5-7 |
| ITF - China F6 | 2016/05/12 02:00 | Evan Song v Renta Tokuda | 4-6,4-6 |
| ITF - China F6 | 2016/05/10 05:05 | Weibowen Zou v Renta Tokuda | 1-6,3-6 |
| ITF - Griechenland F6 | 2016/04/27 07:00 | Renta Tokuda v Raymond Sarmiento | 7-6,4-6,3-6 |
| ITF - Japan F7 | 2016/06/06 05:05 | Arata Onozawa v Ken Onishi | 6-4,6-7,6-0 |
| ITF - Japan F6 | 2016/05/31 02:30 | Ken Onishi v Gengo Kikuchi | 1-6,4-6 |
| ITF - Guam F1 | 2016/05/23 00:00 | Deiton Baughman v Ken Onishi | 6-1,6-4 |
| ITF - Indien F3 | 2016/05/11 04:00 | Ken Onishi v Yuya Ito | 4-6,4-6 |
| ITF - Indien F3 | 2016/05/10 03:30 | Ranjeet Virali-Murugesan v Ken Onishi | 6-7,4-6 |
| ITF - Indien F2 | 2016/05/03 11:00 | Pol Wattanakul v Ken Onishi | 6-4,7-6 |
| ITF - Japan F5 | 2016/04/06 00:30 | Ken Onishi v Takao Suzuki | 6-3,4-6,3-6 |
| ITF - Japan F5 | 2016/04/04 01:30 | Ken Onishi v Koichi Sano | 6-1,6-0 |