| ITF Egypt F31 | 2017/10/23 14:00 | Mazen Osama v Yohei Otsuka | 3-6,6-3,6-4 |
| ITF Egypt F28 | 2017/10/01 14:00 | Yohei Otsuka v Filip Duda | 3-6,4-6 |
| ITF Egypt F28 | 2017/09/30 14:00 | Ricardo David Mayagoitia v Yohei Otsuka | 6-1,3-6,4-6 |
| ITF Egypt F27 Qual | 2017/09/24 13:30 | Abdullah Maqdes v Yohei Otsuka | 6-7,6-1,6-3 |
| ITF Egypt F26 | 2017/09/18 15:00 | Yohei Otsuka v Manuel Bellutti | 3-6,5-7 |
| ITF Germany F11 | 2017/08/13 13:00 | Lucas Gerch v Yohei Otsuka | 6-0,6-0 |
| ITF Germany F10 | 2017/08/06 13:00 | Tejas Chaukulkar v Yohei Otsuka | 6-0,6-0 |
| ITF Germany F10 | 2017/08/06 08:00 | Yohei Otsuka v Marvin Schramm | 6-3,6-4 |
| ITF Tunisia F30 | 2017/10/08 08:30 | Artur Shakhnubaryan v Fabien Salle | 6-3,6-4 |
| ITF Tunisia F30 | 2017/10/07 08:30 | Mousa Shanan Zayed v Fabien Salle | 0-6,2-6 |
| ITF Tunisia F29 | 2017/10/01 09:00 | Fabien Salle v Charly Zick | 3-6,2-6 |
| ITF Tunisia F28 | 2017/09/24 10:30 | Harri Heliovaara v Fabien Salle | 6-4,6-0 |
| ITF Switzerland F4 Qual | 2017/08/19 10:00 | Amit Batta v Fabien Salle | 6-1,6-4 |
| ITF Switzerland F3 Qual | 2017/08/12 09:00 | Fabien Salle v Yannik Steinegger | 4-6,3-6 |
| ITF Greece F5 | 2017/04/02 06:30 | Benjamin Pietri v Fabien Salle | 6-3,6-4 |
| ITF Greece F5 | 2017/04/01 06:30 | Nicolas Demeroutis v Fabien Salle | 1-6,0-6 |