| ITF Romania F3 | 2015/05/19 07:00 | Cosmin Ontica v Bogdan Borza | 3-6,7-6,7-5 |
| ITF Romania F3 | 2015/05/18 09:00 | Cristian Florentin Voinea v Cosmin Ontica | 4-6,5-7 |
| ITF Romania F2 Qual | 2015/05/09 07:00 | Cosmin Ontica v Mihaita Daniel Damian | 6-7,4-6 |
| ITF Turkey F10 | 2015/03/07 08:00 | Cosmin Ontica v Marco Neubau | 6-4,6-4 |
| ITF USA F5 | 2015/01/17 17:00 | Myles Schalet v Cosmin Ontica | 6-3,6-4 |
| ITF USA F5 | 2015/01/16 16:00 | Drew Van Orderlain v Cosmin Ontica | 2-6,3-6 |
| ITF USA F1 Qual | 2015/01/02 18:30 | Cosmin Ontica v Dmytro Kamynin | 1-6,2-6 |
| ITF Greece F8 | 2014/10/12 08:00 | Petar Conkic v Cosmin Ontica | 6-0,6-2 |
| ITF Romania F2 | 2015/05/13 12:25 | Dmitry Popko v Alexander Lazov | 7-6,7-5 |
| ITF Romania F1 | 2015/05/09 09:30 | Dmitry Popko v Alexander Lazov | 6-4,5-7,4-6 |
| ITF Romania F1 | 2015/05/08 10:35 | Francesco Vilardo v Alexander Lazov | 1-6,1-6 |
| ITF Romania F1 | 2015/05/06 08:00 | Mircea-Alexandru Jecan v Alexander Lazov | 6-7,6-7 |
| ITF Romania F1 | 2015/05/05 10:40 | Teodor-Dacian Craciun v Alexander Lazov | 0-6,4-6 |
| ITF Tunisia F11 | 2015/03/29 09:00 | Thomas Fabbiano v Alexander Lazov | 6-3,6-1 |
| ITF Tunisia F11 | 2015/03/28 10:00 | Alexander Lazov v Lorenzo Giustino | 6-4,6-0 |
| ITF Tunisia F11 | 2015/03/27 09:00 | Hugo Nys v Alexander Lazov | 6-4,5-7,2-6 |