Estadio: Court 4 Round: 25 Ground: Clay
| ITF W60 Saint-Gaudens | 2021/05/11 11:00 | Qinwen Zheng v Tayisiya Morderger | 6-3,2-6,5-10 |
| ITF W60 Saint-Gaudens | 2021/05/10 13:40 | Qinwen Zheng v Ekaterina Makarova | 6-0,6-0 |
| ITF W60 Andrezieux-Boutheon | 2021/01/25 15:00 | Rebecca Sramkova v Qinwen Zheng | 6-1,2-6,10-6 |
| ITF W25 Hamburgo | 2021/01/17 11:50 | Qinwen Zheng v Linda Fruhvirtova | 6-2,6-3 |
| ITF W25 Hamburgo | 2021/01/16 13:35 | Qinwen Zheng v Jesika Maleckova | 6-4,4-6,6-4 |
| ITF W25 Hamburgo | 2021/01/15 11:30 | Qinwen Zheng v Anna Bondar | 6-2,6-1 |
| ITF W25 Hamburgo | 2021/01/14 14:10 | Martina Caregaro v Qinwen Zheng | 2-6,0-6 |
| ITF W25 Hamburgo | 2021/01/12 14:55 | Qinwen Zheng v Ella Seidel | 6-1,6-0 |
| ITF W25 Platja d’Aro | 2021/05/18 09:00 | Cristiana Ferrando v Oana Georgeta Simion | 1-6,6-2,3-10 |
| ITF W25 Platja d’Aro | 2021/05/17 08:30 | Valeria Koussenkova v Oana Georgeta Simion | 3-6,0-6 |
| ITF W60 Saint-Gaudens | 2021/05/11 12:40 | Diane Parry v Oana Georgeta Simion | 7-5,6-1 |
| ITF W60 Saint-Gaudens | 2021/05/10 11:05 | Salma Djoubri v Oana Georgeta Simion | 6-3,5-7,8-10 |
| UTR Pro Tennis Series - Bucarest - Femenino | 2021/05/01 07:30 | Andreea Amalia Rosca v Oana Georgeta Simion | 6-3,6-4 |
| UTR Pro Tennis Series - Bucarest - Femenino | 2021/04/30 11:00 | Oana Georgeta Simion v Corneanu Smaranda | 6-2,3-6,5-2 |
| UTR Pro Tennis Series - Bucarest - Femenino | 2021/04/28 11:30 | Oana Georgeta Simion v Ivania Martinich | 6-1,5-7,6-0 |
| UTR Pro Tennis Series - Bucarest - Femenino | 2021/04/27 07:00 | Oana Georgeta Simion v Shuyue Ma | 6-4,6-5 |