Round: 25 Ground: Clay
| ITF Switzerland F2 | 2017/02/14 13:20 | Johan Nikles v Riccardo Maiga | 4-6,2-6 |
| ITF Switzerland F1 | 2017/02/07 16:00 | Edan Leshem v Johan Nikles | 7-5,5-7,6-2 |
| ITF France F3 | 2017/01/24 12:30 | Maxence Beauge v Johan Nikles | 7-6,6-1 |
| ITF Greece F10 | 2016/11/17 08:00 | Tomislav Brkic v Johan Nikles | 6-4,6-1 |
| ITF Greece F10 | 2016/11/15 09:30 | Delf Gohlke v Johan Nikles | 6-7,3-6 |
| ITF Greece F9 | 2016/11/10 08:00 | Jesse Huta Galung v Johan Nikles | 6-3,6-1 |
| ITF Greece F9 | 2016/11/08 07:30 | Johan Nikles v Domagoj Biljesko | 2-6,7-6,6-3 |
| ITF Greece F8 | 2016/11/01 11:20 | Mate Delic v Johan Nikles | 2-6,7-5,7-6 |
| Challenger Kyoto Qual | 2017/02/19 05:25 | Jimmy Wang v Arata Onozawa | 6-3,6-4 |
| Challenger Kyoto Qual | 2017/02/18 07:35 | Arata Onozawa v Yusuke Takahashi | 6-3,6-7,6-3 |
| Others | 2016/11/12 07:35 | Kento Takeuchi v Arata Onozawa | 7-6,6-2 |
| Others | 2016/11/12 02:10 | Ken Onishi v Arata Onozawa | 3-6,4-6 |
| ITF Vietnam F4 | 2016/09/15 03:00 | Arata Onozawa v Congsup Congcar | 5-7,4-6 |
| ITF Vietnam F4 | 2016/09/12 03:00 | Arata Onozawa v Koichi Sano | 2-6,7-6,6-0 |
| ITF Korea F7 | 2016/09/01 04:05 | Makoto Ochi v Arata Onozawa | 6-2,6-2 |
| ITF Korea F7 | 2016/08/31 02:00 | Jung-Woong Na v Arata Onozawa | 6-7,5-7 |