Round: 62 Ground: Clay
| ITF Germany F5 | 2017/06/25 09:00 | Yohei Otsuka v Alexander Abou Boutros | 6-1,6-1 |
| ITF Germany F4 | 2017/06/17 14:00 | Yohei Otsuka v Leonard Von Hindte | 3-6,1-6 |
| ITF Turkey F18 | 2017/05/07 07:00 | Goran Markovic v Yohei Otsuka | 7-6,6-1 |
| ITF Turkey F18 | 2017/05/06 07:00 | Bekir Berk Sahin v Yohei Otsuka | 2-6,0-6 |
| ITF Turkey F17 | 2017/04/30 07:00 | Yohei Otsuka v Michiel de Krom | 2-6,2-6 |
| 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 Czech Republic F3 | 2017/05/30 08:00 | Michael Vrbensky v Adrien Bossel | 6-2,4-6,4-6 |
| ITF Czech Republic F2 | 2017/05/23 09:00 | Michael Vrbensky v Robin Lang | 6-2,6-7,4-6 |
| ITF Czech Republic F1 | 2017/05/18 13:10 | Michael Geerts v Michael Vrbensky | 6-2,1-6,7-6 |
| ITF Czech Republic F1 | 2017/05/17 10:20 | Michael Vrbensky v Dominik Langmajer | 6-3,6-3 |
| ITF Tunisia F14 | 2017/04/09 10:00 | Elliot Benchetrit v Michael Vrbensky | 7-5,6-2 |
| ITF Czech Republic F9 | 2016/10/26 11:15 | Michael Vrbensky v Jan Mertl | 3-6,2-6 |