Round: 26 Ground: Clay
| ITF Slovakia F2 | 2015/07/26 08:00 | Petr Michnev v Nagy, Peter | 3-6,5-7 |
| ITF Slovakia F2 | 2015/07/25 08:00 | Nagy, Peter v Lomacki, Piotr | 6-4,6-4 |
| ITF Slovakia F2 | 2015/07/24 08:00 | Fabian, Patrik v Nagy, Peter | 6-7,3-6 |
| ITF Slovakia F2 | 2015/07/22 09:35 | Nagy, Peter v David Poljak | 6-2,6-4 |
| Coupe Davis | 2015/07/19 12:15 | Nagy, Peter v Brkic, Tomislav | 6-4,6-3,6-3 |
| Coupe Davis | 2015/07/17 10:45 | Nagy, Peter v Mirza Basic | 6-4,4-6,3-6,3-6 |
| ITF Romania F8 | 2015/07/08 10:45 | Ubiergo, Jordan v Nagy, Peter | 2-6,7-6,7-6 |
| ITF Romania F8 | 2015/07/06 11:15 | Garzelli, Francesco v Nagy, Peter | 1-6,1-6 |
| ITF France F14 | 2015/07/13 13:05 | Roumane, Rayane v Rossier, Simeon | 7-5,5-7,7-6 |
| ITF Germany F6 | 2015/07/06 12:30 | Rossier, Simeon v Lucas Gerch | 4-6,2-6 |
| ITF Germany F6 | 2015/07/06 08:00 | Rossier, Simeon v Milan Welte | 6-0,6-3 |
| ITF Turkey F31 | 2015/06/18 08:00 | Rossier, Simeon v Cem Ilkel | 4-6,4-6 |
| ITF Turkey F23 | 2015/06/09 11:25 | Jankovits, Yannick v Rossier, Simeon | 6-1,6-1 |
| ITF Turkey F21 | 2015/05/26 11:20 | Rossier, Simeon v Surreaux, Arthur | 0-6,0-6 |
| ITF Israel F10 | 2015/05/07 08:30 | Botzer, Bar Tzuf v Rossier, Simeon | 6-3,6-2 |
| ITF Israel F10 | 2015/05/06 06:30 | Rossier, Simeon v Kobelt, Peter | 6-3,6-4 |