Round: 62 Ground: Hardcourt outdoor
| 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 Germany F9 | 2017/07/30 08:00 | Yohei Otsuka v Adrian Oetzbach | 3-6,2-6 |
| ITF Germany F8 Qual | 2017/07/16 11:00 | Benjamin Hassan v Yohei Otsuka | 6-0,6-1 |
| ITF Egypt F24 | 2017/09/06 10:55 | Filip Duda v Fabien Reboul | 4-6,6-4,4-6 |
| ITF Romania F12 | 2017/08/28 07:00 | Filip Duda v Ioan Dan Abrudan | 6-4,3-6,6-4 |
| ITF Romania F12 | 2017/08/27 07:00 | Filip Duda v Sergiu D Medesan | 6-2,6-3 |
| ITF Romania F11 Qual | 2017/08/19 06:00 | Filip Duda v Gianmarco Crocetti | 6-4,0-6,4-6 |
| ITF Slovakia F3 | 2017/08/10 13:15 | Filip Duda v Mike Urbanija | 6-3,3-6,1-6 |
| ITF Slovakia F3 | 2017/08/09 13:45 | Filip Duda v Pavel Nejedly | 2-6,6-2,6-1 |
| ITF Slovakia F3 | 2017/08/08 08:00 | Filip Duda v Antonin Bolardt | 7-6,6-2 |
| ITF Slovakia F3 | 2017/08/06 12:00 | Filip Duda v Daniel Vrba | 6-3,4-6,7-5 |