Stadium: Clay 3 Round: 25 Ground: Clay
| ITF Turkey F31 | 2018/10/08 07:00 | Vladislav Melnic v Gokberk Ergeneman | 6-3,2-6,3-6 |
| ITF Turkey F31 | 2018/10/06 07:00 | Osmancan Soyler v Gokberk Ergeneman | 3-6,1-6 |
| ITF Turkey F28 | 2018/09/19 07:30 | Vadim Alekseenko v Gokberk Ergeneman | 6-4,6-3 |
| ITF Turkey F28 | 2018/09/17 07:30 | Thomas Bosancic v Gokberk Ergeneman | 2-6,2-6 |
| ITF Turkey F22 | 2018/06/02 07:30 | Gokberk Ergeneman v Alexey Baryshev | 6-1,0-6,3-6 |
| ITF Spain F12 | 2018/05/19 07:00 | Gokberk Ergeneman v Albert Roglan | 3-6,1-6 |
| ITF Spain F11 | 2018/05/14 09:00 | Alvaro Fernandez Horta v Gokberk Ergeneman | 7-6,7-6 |
| ITF Spain F11 | 2018/05/13 12:00 | Guillem A Blasi v Gokberk Ergeneman | 1-6,3-6 |
| ITF Turkey F31 | 2018/10/07 07:00 | Jonas Schaer v Cosmin Ontica | 2-6,7-5,4-6 |
| ITF Turkey F31 | 2018/10/06 07:00 | Cosmin Ontica v Ruben Konings | 3-6,7-5,6-3 |
| ITF Turkey F30 | 2018/09/29 11:00 | Ruben Konings v Cosmin Ontica | 6-4,6-1 |
| Challenger Sibiu | 2018/09/15 08:00 | Peter Bothwell v Cosmin Ontica | 6-3,7-5 |
| ITF Romania F12 | 2018/09/01 10:00 | Cosmin Ontica v Kenta Kurita | 4-6,4-6 |
| ITF Romania F11 | 2018/08/26 13:00 | Vladimir Filip v Cosmin Ontica | 7-5,6-4 |
| ITF Romania F11 | 2018/08/25 08:00 | Robert Damian Savin v Cosmin Ontica | 2-6,1-6 |
| ITF Romania F10 | 2018/08/19 10:30 | Cosmin Ontica v Victor Vlad Cornea | 5-7,6-7 |