Round: 62 Ground: Clay
| ITF Romania F5 | 2017/06/24 14:00 | Cosmin Ontica v George Iulian Dina | 6-0,6-2 |
| ITF Romania F4 | 2017/05/15 07:00 | Gianni Ross v Cosmin Ontica | 6-3,6-4 |
| ITF Turkey F17 | 2017/04/29 07:00 | Cosmin Ontica v Alexander Jhun | 1-6,4-6 |
| ITF Turkey F16 | 2017/04/23 07:00 | Cosmin Ontica v Victor Nunez | 1-6,5-7 |
| ITF Greece F3 | 2017/03/18 09:30 | Peter Bothwell v Cosmin Ontica | 4-6,6-3,6-3 |
| ITF Greece F2 Qual | 2017/03/14 07:30 | Petar Conkic v Cosmin Ontica | 6-2,6-1 |
| ITF Turkey F5 | 2017/02/05 07:00 | Cosmin Ontica v Dusty H. Boyer | 1-6,3-6 |
| ITF Turkey F5 | 2017/02/04 06:30 | Mousheg Hovhannisyan v Cosmin Ontica | 2-6,2-6 |
| ITF Romania F5 | 2017/06/24 14:00 | Kooros Ghasemi v Bogdan Ionut Apostol | 1-6,2-6 |
| ITF Romania F4 | 2017/06/23 08:00 | Bogdan Ionut Apostol v Michiel de Krom | 4-6,2-6 |
| ITF Romania F4 | 2017/06/22 08:00 | Dragos Nicolae Madaras v Bogdan Ionut Apostol | 1-6,7-5,0-6 |
| ITF Romania F4 | 2017/06/21 07:00 | Bogdan Ionut Apostol v Aaron Addison | 5-7,7-6,6-3 |
| ITF Romania F4 | 2017/06/20 07:00 | Bogdan Ionut Apostol v Neven Krivokuca | 7-5,6-1 |
| ITF Romania F4 | 2017/06/19 10:00 | Kristjan Tamm v Bogdan Ionut Apostol | 4-6,2-6 |
| ITF Romania F3 | 2017/06/14 10:15 | Bogdan Ionut Apostol v Samuel Bensoussan | 3-6,6-7 |
| ITF Romania F3 | 2017/06/12 07:00 | Dragos Constantin Ignat v Bogdan Ionut Apostol | 2-6,1-6 |