| UTR Pro Tennis Series Bucharest Women | 2021/04/26 10:00 | Ogescu, Simona v Oana Georgeta Simion | 1-6,4-6 |
| ITF W15 Pazardzhik | 2020/10/29 08:00 | Oana Georgeta Simion v Ogescu, Simona | 6-0,6-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/09/13 07:00 | Iulia Andreea Ionescu v Ogescu, Simona | 6-3,4-6,6-6 |
| ITF W15 Varna | 2021/09/08 06:30 | Anna Ozerova v Ogescu, Simona | 6-0,6-3 |
| ITF W15 Chornomorsk | 2021/08/24 10:10 | Ogescu, Simona v Diletta Cherubini | 3-6,1-6 |
| ITF W15 Warmbad-Villach | 2021/08/16 12:30 | Ogescu, Simona v Naima Karamoko | 3-6,7-6,6-10 |
| ITF W15 Warmbad-Villach | 2021/08/15 07:00 | Ogescu, Simona v Kurz, Viktoria | 6-4,6-0 |
| UTR Pro Tennis Series Beograd Women | 2021/07/18 09:00 | Karola Patricia Bejenaru v Ogescu, Simona | 7-5,6-2 |
| UTR Pro Tennis Series Beograd Women | 2021/07/17 09:30 | Malesevic, Tamara v Ogescu, Simona | 2-6,1-4 |
| UTR Pro Tennis Series Beograd Women | 2021/07/16 13:00 | Ogescu, Simona v Silvia Maria Costache | 7-5,5-4 |
| ITF W25 Trieste | 2021/09/03 09:30 | Oana Georgeta Simion v Tara Wurth | 4-6,4-6 |
| ITF W25 Trieste | 2021/09/02 10:25 | Oana Georgeta Simion v Guiomar Maristany Zuleta De Reales | 6-2,6-2 |
| ITF W25 Trieste | 2021/09/01 09:50 | Mrdeza, Tereza v Oana Georgeta Simion | 3-6,5-7 |
| ITF W25 Braunschweig | 2021/08/25 09:00 | Lena Papadakis v Oana Georgeta Simion | 6-3,6-3 |
| ITF W25 Koksijde | 2021/08/10 10:00 | Merel Hoedt v Oana Georgeta Simion | 6-2,5-7,6-3 |
| ITF W25 Tarvisio | 2021/07/16 07:30 | Gabriela Ce v Oana Georgeta Simion | 4-6,6-3,6-2 |
| ITF W25 Tarvisio | 2021/07/15 09:55 | Gatica, Barbara v Oana Georgeta Simion | 7-6,4-6,3-6 |
| ITF W25 Tarvisio | 2021/07/14 11:00 | Ardidiacono, Frederica v Oana Georgeta Simion | 1-6,2-6 |