Round: 25 Ground: Hardcourt indoor
| ITF Italy F7 | 2015/04/27 11:25 | Pol Toledo Bague v Scott Griekspoor | 6-2,6-0 |
| ITF Italy F6 | 2015/04/23 08:55 | Viktor Durasovic v Scott Griekspoor | 6-2,6-4 |
| ITF Italy F6 | 2015/04/22 12:25 | Gianluca Di Nicola v Scott Griekspoor | 3-6,4-6 |
| ITF Italy F6 | 2015/04/21 09:20 | Daniel Altmaier v Scott Griekspoor | 5-7,1-6 |
| ITF Qatar F1 | 2015/04/02 12:30 | Scott Griekspoor v James Marsalek | 5-7,4-6 |
| ITF Bahrain F1 | 2015/03/28 14:30 | Tobias Simon v Scott Griekspoor | 7-6,1-6,6-3 |
| ITF Bahrain F1 | 2015/03/27 12:30 | Stefano Napolitano v Scott Griekspoor | 6-2,6-7,1-6 |
| ITF Bahrain F1 | 2015/03/26 14:30 | Matt Seeberger v Scott Griekspoor | 4-6,1-6 |
| ITF Turkey F21 | 2015/05/28 09:00 | Baptiste Crepatte v Piotr Grynkowski | 6-3,6-4 |
| ITF Turkey F21 | 2015/05/26 11:05 | Sasha Supruniuk v Piotr Grynkowski | 0-6,0-6 |
| ITF Turkey F21 Qual | 2015/05/23 07:00 | Stefan Frljanic v Piotr Grynkowski | 4-6,5-7 |
| ITF Turkey F36 | 2015/05/19 08:10 | Christopher Heyman v Piotr Grynkowski | 3-6,6-1,6-3 |
| ITF Turkey F18 | 2015/05/02 09:00 | Yvo Panak v Piotr Grynkowski | 7-5,6-2 |
| ITF Turkey F17 | 2015/04/28 09:15 | Piotr Grynkowski v Lucas Miedler | 3-6,0-6 |
| ITF Turkey F17 | 2015/04/27 08:00 | Piotr Grynkowski v Joel Vincent Link | 6-2,6-3 |
| ITF Egypt F33 | 2015/03/29 10:00 | Piotr Grynkowski v Flemming Peters | 7-5,5-7,6-3 |