Stadium: Court 2 Round: 15 Ground: Hardcourt outdoor
| Australian Open Women | 2021/01/11 12:55 | Stefanie Voegele v Katharina Gerlach | 3-6,4-6 |
| ITF W25 Selva Gardena | 2020/12/15 16:00 | Tena Lukas v Katharina Gerlach | 7-5,7-6 |
| German Championship Women | 2020/12/10 12:00 | Katharina Gerlach v Mara Guth | 5-7,6-4,2-6 |
| ITF W15 LPD Gran Canaria | 2020/11/28 12:15 | Andrea Lazaro Garcia v Katharina Gerlach | 6-3,6-2 |
| ITF W15 LPD Gran Canaria | 2020/11/27 10:10 | Oksana Selekhmeteva v Katharina Gerlach | 6-4,0-6,3-6 |
| ITF W15 LPD Gran Canaria | 2020/11/26 12:40 | Laura Pigossi v Katharina Gerlach | 4-6,3-6 |
| ITF W15 LPD Gran Canaria | 2020/11/25 13:15 | Lucia Cortez Llorca v Katharina Gerlach | 2-6,2-6 |
| ITF W25 LPD Gran Canaria | 2020/11/17 15:30 | Katharina Gerlach v Richel Hogenkamp | 2-6,6-4,3-6 |
| Australian Open Women | 2021/01/11 12:05 | Mayo Hibi v Xiaodi You | 6-4,6-2 |
| WTA Linz | 2020/11/07 11:30 | Jana Fett v Mayo Hibi | 6-2,6-3 |
| ITF W100 Charleston | 2020/11/02 15:00 | Mayo Hibi v Kateryna Volodko | 4-6,4-6 |
| ITF W80 Tyler | 2020/10/29 21:20 | Mayo Hibi v Paula Kania-Chodun | 4-6,5-7 |
| ITF W80 Tyler | 2020/10/29 20:00 | Mayo Hibi v Paula Kania-Chodun | 4-6,5-6 |
| ITF W80 Tyler | 2020/10/29 15:00 | Mayo Hibi v Conny Perrin | 5-7,6-1,10-8 |
| ITF W80 Tyler | 2020/10/26 19:20 | Mayo Hibi v Katarzyna Piter | 6-4,6-7,10-5 |
| ITF W80 Macon | 2020/10/20 14:00 | Mayo Hibi v Varvara Lepchenko | 3-6,2-6 |