| ITF W60 Prerov | 08/22 13:10 | 54 | [303] Alexandra Osborne v Oana Georgeta Simion [454] | 5-7,2-6 | |
| ITF W25 Brasov | 08/12 09:45 | 27 | [474] Oana Georgeta Simion v Ilona-Georgiana Ghioroaie [357] | 3-6,4-6 | |
| ITF W25 Brasov | 08/11 08:20 | 26 | Oana Georgeta Simion v Jing-Jing Lu | Retired | |
| ITF W25 Brasov | 08/10 10:10 | 25 | Oana Georgeta Simion v Evialina Laskevich | 6-0,6-1 | |
| WTA Iasi | 08/03 11:20 | 25 | [75] Ana Bogdan v Oana Georgeta Simion [470] | 6-0,6-2 | |
| ITF W60 Olomouc | 07/20 14:20 | 25 | [411] Oana Georgeta Simion v Astakhova, Darya [275] | 3-6,6-2,2-6 | |
| ITF W60 Olomouc | 07/19 08:00 | 24 | [413] Markova, Johana v Oana Georgeta Simion [411] | 0-6,2-6 | |
| ITF W25 Tarvisio | 06/28 10:50 | 25 | [410] Rubini, Stefania v Oana Georgeta Simion [402] | 6-2,6-0 | |
| ITF W25 Ystad | 06/21 12:35 | 25 | [392] Oana Georgeta Simion v Elena Malygina [424] | 1-6,2-6 | |
| ITF W60 Brasov | 06/03 10:00 | 27 | [192] Ipek Oz v Oana Georgeta Simion [439] | 6-3,6-4 | |
| ITF W60 Brasov | 06/02 07:00 | 26 | [439] Oana Georgeta Simion v Jesika Maleckova [257] | 7-6,4-6,6-4 | |
| ITF W60 Brasov | 06/01 08:45 | 25 | [254] Cristina Dinu v Oana Georgeta Simion [439] | 5-7,4-6 | |
| ITF W60 Grado | 05/26 13:30 | 26 | [439] Oana Georgeta Simion v Haas, Barbara [286] | 3-6,2-6 | |
| ITF W60 Grado | 05/25 08:00 | 25 | [181] Lucrezia Stefanini v Oana Georgeta Simion [439] | 6-2,4-6,4-6 | |
| ITF W60 Grado | 05/24 07:30 | 54 | [243] Gabriela Ce v Oana Georgeta Simion [439] | 3-6,3-6 | |
| ITF W60 Grado | 05/23 11:30 | 54 | [174] Fomina, Alona v Oana Georgeta Simion [439] | 1-6,2-6 | |
| ITF W25 Warmbad-Villach | 05/18 09:30 | 25 | [432] Oana Georgeta Simion v Antonia Ruzic [325] | 1-6,2-6 | |
| ITF W25 Bastad | 05/04 11:10 | 25 | [336] Malene Helgo v Oana Georgeta Simion [419] | 4-6,7-6,6-2 | |
| ITF W60 Zagreb | 04/24 08:00 | 54 | [496] Ziva Falkner v Oana Georgeta Simion [422] | 6-1,6-4 | |
| ITF W25 Oeiras | 04/12 11:45 | 25 | [422] Oana Georgeta Simion v Angela Fita Boluda [386] | 3-6,2-6 | |
| UTR Pro Tennis Series Dobrich Women | 04/03 08:00 | - | Simion, Oana Georgeta v Vaneva, Zinovia | 6-1,3-6,5-2 | |
| UTR Pro Tennis Series Dobrich Women | 04/02 06:00 | - | Simion, Oana Georgeta v Katerina Dimitrova | 6-1,5-0 | |
| UTR Pro Tennis Series Dobrich Women | 03/31 11:00 | - | Simion, Oana Georgeta v Melis Sezer | 6-2,5-4 | |
| UTR Pro Tennis Series Dobrich Women | 03/30 06:30 | - | Simion, Oana Georgeta v Julia Terziyska | 0-6,0-6 | |
| UTR Pro Tennis Series Dobrich Women | 03/29 09:30 | - | Simion, Oana Georgeta v Liya Pencheva | 6-4,6-4 | |
| UTR Pro Tennis Series Dobrich Women | 03/28 08:00 | - | Simion, Oana Georgeta v Borislava Botusharova | 6-3,2-6,6-3 | |
| ITF W15 Palmanova | 03/19 09:30 | 28 | [425] Oana Georgeta Simion v Maristany Zuleta de Reales, Guiomar [428] | 2-6,5-7 | |
| ITF W15 Palmanova | 03/18 12:55 | 27 | Adithya Karunaratne v Oana Georgeta Simion | 2-6,3-6 | |
| ITF W15 Palmanova | 03/17 15:50 | 26 | Drahota Szabo, Dorka v Oana Georgeta Simion | 5-7,6-3,3-6 | |
| ITF W15 Palmanova | 03/15 11:00 | 25 | Diletta Cherubini v Oana Georgeta Simion | 3-6,3-6 |