| 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 |
| ITF W60 Versmold | 2021/07/27 10:55 | Cristiana Ferrando v Nicole Rivkin | 6-1,6-3 |
| WTA Berlin | 2021/06/12 09:00 | Nicole Rivkin v Ana Konjuh | 4-6,0-6 |
| ITF W25 Hamburg | 2021/01/11 13:30 | Federica Di Sarra v Nicole Rivkin | 6-3,6-4 |
| ITF W25 Hamburg | 2021/01/10 13:00 | Nicole Rivkin v Sarah Rebecca Sekulic | 6-4,7-6 |
| DTB German Pro Series Women | 2020/07/03 08:00 | Anna Klasen v Nicole Rivkin | 6-3,6-3 |
| DTB German Pro Series Women | 2020/07/02 08:55 | Anna Klasen v Nicole Rivkin | 6-3,6-3 |
| ITF W80 Wiesbaden | 2021/09/20 08:00 | Mara Guth v Diana Marcinkevica | 6-7,2-6 |
| ITF W25 Braunschweig | 2021/08/26 09:00 | Mara Guth v Valeriya Strakhova | 5-7,4-6 |
| ITF W25 Braunschweig | 2021/08/25 12:05 | Martina Caregaro v Mara Guth | 3-6,2-6 |
| ITF W15 Erwitte | 2021/08/20 15:30 | Aneta Kucmova v Mara Guth | 7-5,6-2 |
| ITF W15 Erwitte | 2021/08/19 13:00 | Mara Guth v Jantje Tilbuerger | 6-1,6-1 |
| ITF W15 Erwitte | 2021/08/18 13:05 | Mina Hodzic v Mara Guth | 2-6,3-6 |
| WTA Bad Homburg | 2021/06/20 14:30 | Mara Guth v Nadia Podoroska | 0-6,3-6 |
| ITF W25 Hamburg | 2021/01/10 13:00 | Mara Guth v Arianne Hartono | 2-6,0-6 |