Round: 62 Ground: Hardcourt outdoor
| ATP Washington - Qual. | 2015/08/01 14:00 | Matija Pecotic v John-Patrick Smith | 2-6,4-6 |
| ATP Newport - Qual. | 2015/07/12 18:05 | Brydan Klein v Matija Pecotic | 6-2,6-3 |
| ATP Newport - Qual. | 2015/07/11 16:40 | Nicholas S. Hu v Matija Pecotic | 6-7,5-7 |
| ITF Gran Bretagna F5 | 2015/03/24 14:35 | Matija Pecotic v Marcus Willis | 4-6,4-6 |
| ITF Gran Bretagna F4 | 2015/03/21 11:30 | Matija Pecotic v Yannick Mertens | 2-6,4-6 |
| ITF Gran Bretagna F4 | 2015/03/20 11:00 | Matija Pecotic v Daniel Cox | 6-3,6-4 |
| ITF Gran Bretagna F4 | 2015/03/19 13:00 | Neil Pauffley v Matija Pecotic | 2-6,3-6 |
| ITF Gran Bretagna F4 | 2015/03/18 10:00 | Matija Pecotic v Adrien Bossel | 6-2,6-0 |
| ITF Turchia F35 | 2015/08/30 13:30 | Oezen Usakli v Paolo Dagnino | 1-6,0-6 |
| ITF Turchia F31 | 2015/06/21 10:00 | Oezen Usakli v Roberto Cid Subervi | 0-6,0-6 |
| ITF Turchia F23 - Qual. | 2015/06/07 07:30 | Frederik Oervad v Oezen Usakli | 6-2,6-3 |
| ITF Spagna F2 | 2015/01/31 10:30 | Adrian Oetzbach v Oezen Usakli | 6-0,7-5 |