| ITF W25 Budapest | 2021/09/26 07:00 | Oana Georgeta Simion v Julia Avdeeva | 1-6,6-3,11-13 |
| ITF W80 Wiesbaden | 2021/09/21 08:30 | Kamilla Bartone v Oana Georgeta Simion | 6-4,6-4 |
| ITF W80 Wiesbaden | 2021/09/20 12:10 | Ganna Poznikhirenko v Oana Georgeta Simion | 2-6,6-7 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/19 07:00 | Oana Georgeta Simion v Ioana Gaspar | 4-6,6-3,1-6 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/18 07:00 | Oana Georgeta Simion v Daria Lodikova | 7-6,6-1 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/17 08:00 | Oana Georgeta Simion v Daniella Dimitrova | 6-4,6-3 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/16 08:30 | Oana Georgeta Simion v Victoria Borodulina | 6-1,6-1 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/15 10:00 | Iulia Andreea Ionescu v Oana Georgeta Simion | 0-6,0-6 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/11 13:15 | Patricia Georgiana Goina v Silvia Maria Costache | 1-6,6-7 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/09 12:00 | Patricia Georgiana Goina v Daria Maria Munteanu | 6-1,6-6 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/08 11:30 | Patricia Georgiana Goina v Izabela Gabriela Novac | 6-3,5-2 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/07 11:30 | Patricia Georgiana Goina v Nikol Palecek | 1-6,2-5 |
| UTR Pro Tennis Series Bucharest - nők | 2021/09/06 07:00 | Patricia Georgiana Goina v Mara Gae | 1-6,2-5 |