| Campeonato de Alemania - Femenino | 2021/12/10 12:00 | Nastasja Schunk v Mara Guth | 6-3,3-6,2-5 |
| Campeonato de Alemania - Femenino | 2021/12/08 15:00 | Nicole Rivkin v Mara Guth | 6-4,5-7,1-6 |
| Campeonato de Alemania - Femenino | 2021/12/06 13:00 | Julia Victoria Rennert v Mara Guth | 3-6,2-6 |
| ITF W15 Monastir | 2021/10/23 08:30 | Jennifer Luikham v Mara Guth | 1-6,6-4,7-5 |
| ITF W15 Monastir | 2021/10/21 08:30 | Mara Guth v Kathleen Kanev | 7-5,4-6,6-4 |
| ITF W15 Monastir | 2021/10/19 10:05 | Ginevra Peiretti v Mara Guth | 1-6,0-6 |
| ITF W15 Monastir | 2021/10/15 11:10 | Federica Rossi v Mara Guth | 5-7,6-4,6-1 |
| ITF W15 Monastir | 2021/10/14 11:30 | Kristina Milenkovic v Mara Guth | 1-6,3-6 |
| Campeonato de Alemania - Femenino | 2021/12/10 10:00 | Sina Herrmann v Lara Schmidt | 6-4,5-3 |
| Campeonato de Alemania - Femenino | 2021/12/08 17:00 | Sina Herrmann v Marie Vogt | 6-7,6-2,5-2 |
| Campeonato de Alemania - Femenino | 2021/12/06 13:00 | Sina Herrmann v Laura Isabel Putz | 2-6,6-3,6-3 |
| ITF W25 Johannesburgo | 2021/09/14 13:10 | Shavit Kimchi v Sina Herrmann | 6-0,6-4 |
| WTA Karlsruhe | 2021/09/07 14:40 | Maiar S A Abdelaziz v Sina Herrmann | 6-0,6-2 |
| ITF W60 Praga | 2021/08/30 08:00 | Sina Herrmann v Yana Sizikova | 1-6,1-6 |
| ITF W60 Praga | 2021/08/29 09:30 | Sina Herrmann v Kristyna Lavickova | 4-6,6-2,10-5 |
| ITF W25 Radom | 2021/08/09 10:10 | Sina Herrmann v Aleksandra Julia Jelen | 1-6,4-6 |