Estádio: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF - W15 Monastir | 2021/07/06 10:10 | Nefeli Zafeiri v Anastasia Sysoeva | 3-6,3-6 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/12 16:00 | Anastasia Sysoeva v Alexandra Pisareva | 4-6,6-7 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/11 17:30 | Anastasia Sysoeva v Nyjah Head | 6-3,5-3 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/10 16:00 | Anastasia Sysoeva v Johanna Silva | 3-6,2-5 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/09 14:30 | Kianah Motosono v Anastasia Sysoeva | 6-7,2-6 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/08 17:30 | Maria Kononova v Anastasia Sysoeva | 6-4,2-6,6-3 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/05 13:30 | Anastasia Sysoeva v Carolyn Ansari | 2-6,3-6 |
| Flórida - UTR Pro Tennis Series - Feminino | 2021/06/04 13:30 | Gabriella Broadfoot v Anastasia Sysoeva | 4-6,5-6 |
| ITF - W15 Monastir | 2021/07/06 09:40 | Sofia Sewing v Valentina Ryser | 1-6,5-7 |
| ITF - W15 Monastir | 2021/06/29 10:05 | Valentina Ryser v Kathleen Kanev | 3-6,3-6 |
| ITF - W25 Klosters | 2021/06/23 12:30 | Valentina Ryser v Diana Marcinkevica | 4-6,3-6 |
| ITF - W25 Klosters | 2021/06/22 07:00 | Alexandra Vecic v Valentina Ryser | 5-7,6-1,5-7 |
| ITF - W25 Madrid | 2021/06/08 07:15 | Olivia Gadecki v Valentina Ryser | 6-2,6-2 |
| ITF - W25 Madrid | 2021/06/07 07:15 | Karolina Novakova v Valentina Ryser | 3-6,2-6 |
| ITF - W25 Madrid | 2021/06/06 12:00 | Lucia Martinez Gomez v Valentina Ryser | 4-6,1-6 |
| ITF - W15 Santa Margarita de Montbui | 2021/05/26 11:10 | Maria Bondarenko v Valentina Ryser | 6-3,7-6 |