Stadium: Court 1 Round: 14 Ground: Clay
| ITF W25 Wroclaw | 2021/06/29 11:15 | Sina Herrmann v Valeriya Strakhova | 1-6,1-6 |
| ITF W25 Klosters | 2021/06/25 07:00 | Sina Herrmann v Ylena In-Albon | 4-6,2-6 |
| ITF W25 Klosters | 2021/06/24 08:40 | Sina Herrmann v Celine Naef | 6-3,6-3 |
| ITF W25 Klosters | 2021/06/23 12:15 | Bianca Turati v Sina Herrmann | 7-5,5-7,0-6 |
| ITF W25 Klosters | 2021/06/21 12:50 | Sina Herrmann v Joanne Zuger | 7-6,6-4 |
| ITF W25 Denain | 2021/06/15 11:50 | Guiomar Maristany Zuleta De Reales v Sina Herrmann | 6-1,6-3 |
| ITF W60 Saint-Gaudens | 2021/05/10 08:45 | Darya Astakhova v Sina Herrmann | 0-6,6-4,10-6 |
| ITF W25 Oeiras | 2021/04/22 09:45 | Rebecca Marino v Sina Herrmann | 6-3,6-2 |
| Wimbledon Women | 2021/06/23 16:00 | Claire Liu v Isabella Shinikova | 6-4,6-3 |
| Wimbledon Women | 2021/06/22 17:25 | Isabella Shinikova v Francesca Di Lorenzo | 2-6,7-6,6-2 |
| ITF W25 Madrid | 2021/06/16 07:00 | Melanie Stokke v Isabella Shinikova | 4-6,6-0,6-3 |
| ITF W25 Madrid | 2021/06/09 11:30 | Anastasia Kulikova v Isabella Shinikova | 6-2,6-4 |
| ITF W25 Grado | 2021/06/03 09:00 | Isabella Shinikova v Lucia Bronzetti | 1-6,1-6 |
| ITF W25 Grado | 2021/06/01 08:40 | Isabella Shinikova v Carole Monnet | 6-1,3-6,6-2 |
| French Open Women | 2021/05/24 19:25 | Carole Monnet v Isabella Shinikova | 6-3,6-3 |
| ITF W60 Saint-Gaudens | 2021/05/12 11:00 | Isabella Shinikova v Lois Boisson | 3-6,5-7 |