Round: 62 Ground: Clay
| ITF Turkey F16 | 2017/04/22 06:00 | Yohei Otsuka v Daniel Mora | 0-6,1-6 |
| ITF Japan F3 | 2017/03/18 00:30 | Yohei Otsuka v Zhaoyi Cao | 1-6,3-6 |
| ITF Japan F1 | 2017/03/05 01:00 | Yohei Ono v Yohei Otsuka | 6-3,6-3 |
| ITF Japan F8 | 2016/06/12 01:00 | Yutaro Matsuzaki v Yohei Otsuka | 6-2,6-2 |
| ITF Japan F8 | 2016/06/11 04:00 | Yohei Otsuka v Takahiro Kubo | 6-2,6-3 |
| ITF Japan F5 | 2016/04/03 02:00 | Taiki Hashimoto v Yohei Otsuka | 6-0,6-1 |
| ITF Japan F3 | 2016/03/19 00:30 | Tung-Lin Wu v Yohei Otsuka | 6-1,6-3 |
| ITF Japan F1 | 2016/03/05 01:00 | Yohei Otsuka v Soichiro Moritani | 3-6,3-6 |
| ITF Spain F11 | 2017/04/26 13:00 | Raul Brancaccio v Michiel de Krom | 6-2,6-1 |
| ITF Spain F11 | 2017/04/25 13:15 | Michiel de Krom v Roberto Ortega-Olmedo | 6-3,3-6,6-2 |
| ITF Egypt F20 | 2017/03/19 08:00 | August Holmgren v Michiel de Krom | 4-6,6-3,6-4 |
| ITF Egypt F20 | 2017/03/18 07:00 | Hans Albert Schubert v Michiel de Krom | 0-6,2-6 |
| ITF Egypt F9 | 2017/03/12 08:00 | Michiel de Krom v Wilfredo Gonzalez | 4-6,6-3,4-6 |
| ITF Egypt F9 | 2017/03/11 08:00 | Daniel Baumann v Michiel de Krom | 2-6,2-6 |
| ITF Egypt F8 | 2017/03/08 08:00 | Antonio Massara v Michiel de Krom | 6-3,6-4 |
| ITF Egypt F8 | 2017/03/06 08:00 | Lamar Bartley v Michiel de Krom | 6-3,3-6,5-7 |