Round: 54 Ground: Hardcourt outdoor
| ITF Turkey F37 | 2015/09/14 13:00 | Yasha Zemel v Piotr Grynkowski | 6-4,6-0 |
| ITF Turkey F37 | 2015/09/13 15:00 | Polat Gulcur v Piotr Grynkowski | 2-6,4-6 |
| ITF Turkey F36 | 2015/09/07 13:30 | Alexander Babanine v Piotr Grynkowski | 6-3,6-3 |
| ITF Turkey F35 | 2015/09/03 16:40 | Piotr Grynkowski v Matteo Berrettini | 2-6,2-6 |
| ITF Turkey F35 | 2015/09/01 14:35 | Scott Duncan v Piotr Grynkowski | 0-6,3-6 |
| ITF Turkey F35 | 2015/08/31 13:30 | Piotr Grynkowski v Atlymyrat Gurbanov | 6-2,6-0 |
| ITF Poland F2 | 2015/08/16 12:00 | Piotr Grynkowski v Bartosz Wojnar | 3-6,2-6 |
| ITF Poland F1 | 2015/08/09 08:00 | Maciej Nowak v Piotr Grynkowski | 6-4,7-6 |
| ITF Canada F7 | 2015/08/26 17:10 | Tigre Hank v Sora Fukuda | 6-4,6-3 |
| ITF Indonesia F2 | 2015/04/10 06:30 | Sora Fukuda v David Agung Susanto | 3-6,4-6 |
| ITF Indonesia F2 | 2015/04/09 06:30 | Jeevan Nedunchezhiyan v Sora Fukuda | 5-7,1-6 |
| ITF Indonesia F2 | 2015/04/08 04:00 | Sora Fukuda v Anvit Bendre | 6-3,6-1 |
| ITF USA F31 | 2014/11/13 15:30 | Jesus Bandres v Sora Fukuda | 1-6,3-6 |
| ITF USA F31 | 2014/11/12 17:35 | Sora Fukuda v Patrick Daciek | 5-7,6-1,6-3 |
| ITF USA F31 Qual | 2014/11/10 16:00 | Sora Fukuda v Gary Kushnirovich | 6-4,6-2 |
| ITF USA F31 Qual | 2014/11/07 19:00 | Kaptan Kaster v Sora Fukuda | 2-6,1-6 |