Stadium: Court 7 Round: 25 Ground: Clay
| UTR Pro Tennis Series Bucharest Women | 2021/04/25 08:30 | Darja Semenistaja v Arina Gabriela Vasilescu | 5-7,7-5,6-1 |
| UTR Pro Tennis Series Mulheim Women | 2021/07/30 14:00 | Arina Gabriela Vasilescu v Michaela Honcova | 6-0,6-1 |
| UTR Pro Tennis Series Mulheim Women | 2021/07/30 08:00 | Anita Husaric v Arina Gabriela Vasilescu | 4-6,1-6 |
| UTR Pro Tennis Series Mulheim Women | 2021/07/29 08:30 | Joana Baptista v Arina Gabriela Vasilescu | 3-6,2-6 |
| UTR Pro Tennis Series Mulheim Women | 2021/07/28 10:00 | Dariya Detkovskaya v Arina Gabriela Vasilescu | 2-6,1-6 |
| ITF W25 Kyiv | 2021/07/21 10:40 | Carole Monnet v Arina Gabriela Vasilescu | 4-6,6-0,6-4 |
| ITF W15 Prokuplje | 2021/07/10 08:00 | Natalija Senic v Arina Gabriela Vasilescu | 6-2,6-3 |
| ITF W15 Prokuplje | 2021/07/09 07:00 | Sapfo Sakellaridi v Arina Gabriela Vasilescu | 4-6,2-6 |
| ITF W15 Prokuplje | 2021/07/08 08:30 | Maria Shusharina v Arina Gabriela Vasilescu | 5-7,1-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/18 09:00 | Darja Semenistaja v Ioana Gaspar | 6-0,6-3 |
| UTR Pro Tennis Series Beograd Women | 2021/07/17 07:48 | Darja Semenistaja v Martha Matoula | 6-7,6-3,6-3 |
| UTR Pro Tennis Series Beograd Women | 2021/07/16 07:54 | Darja Semenistaja v Andela Petrovic | 6-1,6-0 |
| UTR Pro Tennis Series Beograd Women | 2021/07/15 09:00 | Darja Semenistaja v Andjela Jocovic | 6-2,5-3 |
| UTR Pro Tennis Series Beograd Women | 2021/07/14 10:30 | Tamara Malesevic v Darja Semenistaja | 3-6,5-6 |
| UTR Pro Tennis Series Beograd Women | 2021/07/13 12:00 | Cemre Anil v Darja Semenistaja | 3-6,1-5 |
| ITF W15 Prokuplje | 2021/07/11 08:00 | Darja Semenistaja v Natalija Senic | 6-0,6-2 |
| ITF W15 Prokuplje | 2021/07/10 08:00 | Jana Bojovic v Darja Semenistaja | 1-6,3-6 |