Stadium: Court 1 Round: 25 Ground: Clay
| 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 - Feminin | 2020/07/03 08:00 | Anna Klasen v Nicole Rivkin | 6-3,6-3 |
| DTB German Pro Series - Feminin | 2020/07/02 08:55 | Anna Klasen v Nicole Rivkin | 6-3,6-3 |
| DTB German Pro Series - Feminin | 2020/07/01 10:45 | Angelina Wirges v Nicole Rivkin | 4-6,2-6 |
| DTB German Pro Series - Feminin | 2020/06/30 11:05 | Jasmin Jebawy v Nicole Rivkin | 0-6,2-6 |
| WTA - Bad Homburg | 2021/06/20 09:00 | Anna Zaja v Julia Middendorf | 6-2,7-5 |
| WTA - Berlin | 2021/06/12 16:15 | Julia Middendorf v Stefanie Voegele | 1-6,2-6 |
| WTA - Stuttgart | 2021/04/20 12:05 | Julia Middendorf v Anett Kontaveit | 2-6,3-6 |
| WTA - Stuttgart | 2021/04/18 09:00 | Tamara Korpatsch v Julia Middendorf | 6-2,3-6,0-6 |
| WTA - Stuttgart | 2021/04/17 08:00 | Julia Middendorf v Jana Fett | 4-6,6-1,6-3 |
| ITF W25 Altenkirchen | 2021/02/15 11:00 | Julia Middendorf v Yuriko Lily Miyazaki | 6-3,3-6,5-10 |
| ITF - W25 Hamburg | 2021/01/12 13:40 | Julia Middendorf v Ioana Loredana Rosca | 7-5,3-6,5-7 |
| German Championship - Feminin | 2020/12/10 09:00 | Julia Middendorf v Eva Lys | 3-6,6-7 |