Stadium: Centre Court Round: 54 Ground: Clay
| ITF M15 Plovdiv | 2019/06/03 10:00 | Milen Ianakiev v Cosmin Ontica | 1-6,6-4,10-6 |
| ITF M25 Bacau | 2019/05/28 10:50 | Luca Tomasetto v Cosmin Ontica | 6-3,2-6,10-6 |
| ITF M25 Bacau | 2019/05/27 10:00 | Eduard Vlasceanu v Cosmin Ontica | 2-6,3-6 |
| ITF M15 Bucharest | 2019/05/21 07:00 | Albert Alcaraz Ivorra v Cosmin Ontica | 6-0,6-2 |
| ITF M15 Bucharest | 2019/05/20 07:00 | Yanik Kaelin v Cosmin Ontica | 2-6,1-6 |
| ITF M15 Sozopol | 2019/05/07 09:00 | Cosmin Ontica v Roee Benya | 6-7,6-1,8-10 |
| ITF M15 Antalya | 2019/04/16 09:00 | Alexander Shevchenko v Cosmin Ontica | 6-4,6-0 |
| ITF M15 Antalya | 2019/04/15 07:00 | Cosmin Ontica v Vladimir Filip | 6-4,6-4 |