| ITF Japan F5 | 2017/04/03 06:20 | Ken Onishi v Ryota Tanuma | 6-7,2-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Ken Onishi v Yosuke Watanuki | 2-6,5-7 |
| ITF Japan F4 | 2017/03/29 01:00 | Masaya Kobayashi v Ken Onishi | 4-6,6-7 |
| Challenger Bangkok 2 Qual | 2017/01/07 08:15 | Ken Onishi v Jimmy Wang | 1-6,4-6 |
| ITF Hong Kong F1 | 2017/01/05 02:00 | Ken Onishi v Takuto Niki | 4-6,1-6 |
| ITF Hong Kong F1 | 2017/01/04 04:50 | Ken Onishi v Pak Long Yeung | 6-4,6-2 |
| ITF Hong Kong F1 | 2017/01/02 02:00 | Ken Onishi v Jui-Chen Hung | 6-3,7-5 |
| ITF Hong Kong F5 | 2016/12/27 23:00 | Jumpei Yamasaki v Ken Onishi | 7-6,6-4 |
| ITF Hungary F1 | 2017/05/07 08:00 | Cristian Stefan Moldovan v Aljaz Radinski | 2-6,0-6 |
| ITF Italy F10 | 2017/04/25 09:05 | Aljaz Radinski v Joris De Loore | 1-6,1-6 |
| ITF Italy F10 | 2017/04/23 10:35 | Aljaz Radinski v Delf Gohlke | 6-4,6-0 |
| ITF Greece F1 | 2017/03/05 07:30 | Alexandros Skorilas v Aljaz Radinski | 7-5,6-1 |
| ITF Indonesia F3 | 2017/02/23 04:50 | Aljaz Radinski v Valentin Nourrissat | 3-6,6-7 |
| ITF Indonesia F3 | 2017/02/22 03:00 | Aljaz Radinski v Justin Barki | 7-6,6-4 |
| ITF Indonesia F2 | 2017/02/15 03:00 | Christopher Rungkat v Aljaz Radinski | 6-4,6-4 |
| ITF Indonesia F2 Qual | 2017/02/13 05:55 | Cristian Stefan Moldovan v Aljaz Radinski | 4-6,2-6 |