| German Championship - Feminin | 2021/12/06 13:00 | Nicole Rivkin v Selina Dal | 7-5,5-3 |
| ITF - W15 Solarino | 2021/11/19 09:40 | Nicole Rivkin v Melania Delai | 3-6,5-7 |
| ITF - W15 Solarino | 2021/11/19 07:00 | Giulia Carbonaro v Nicole Rivkin | 2-6,4-6 |
| ITF - W15 Solarino | 2021/11/16 10:40 | Greta Greco Lucchina v Nicole Rivkin | 2-6,3-6 |
| ITF - W15 Solarino | 2021/11/10 10:30 | Nicole Rivkin v Petra Csabi | 6-2,2-6,2-6 |
| ITF - W25 Hamburg | 2021/10/18 09:25 | Margaux Rouvroy v Nicole Rivkin | 6-4,6-4 |
| ITF - W25 Braunschweig | 2021/08/24 11:45 | Nicole Rivkin v Andreea Prisacariu | 3-6,6-7 |
| ITF - W15 Erwitte | 2021/08/17 11:00 | Nicole Rivkin v Julia Middendorf | 2-6,1-6 |
| German Championship - Feminin | 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 |
| ITF - W15 Monastir | 2021/10/13 13:00 | Mara Guth v Chiraz Bechri | 6-3,6-2 |
| ITF - W80 Wiesbaden | 2021/09/20 08:00 | Mara Guth v Diana Marcinkevica | 6-7,2-6 |