Stadium: Central Round: 54 Ground: Hardcourt indoor
| ITF - W25 Cherbourg | 2020/10/11 17:40 | Katharina Gerlach v Selena Janicijevic | 3-6,0-6 |
| ITF - W25 Grado | 2020/09/16 16:15 | Sina Herrmann v Katharina Gerlach | 6-3,6-4 |
| ITF - W25 Tarvisio | 2020/09/10 14:05 | Francesca Jones v Katharina Gerlach | 6-0,7-5 |
| WTA - Praga | 2020/08/31 13:00 | Bibiane Schoofs v Katharina Gerlach | 6-2,6-0 |
| WTA - Praga | 2020/08/29 10:35 | Katharina Gerlach v Denisa Satralova | 6-2,6-1 |
| DTB German Pro Series - Feminin | 2020/07/18 12:30 | Katharina Gerlach v Nastasja Schunk | 1-6,4-6 |
| DTB German Pro Series - Feminin | 2020/07/17 12:30 | Laura Siegemund v Katharina Gerlach | 7-5,6-0 |
| DTB German Pro Series - Feminin | 2020/07/16 15:40 | Katharina Gerlach v Jule Niemeier | 6-2,6-1 |
| ITF - W15 Monastir | 2020/10/01 09:50 | Kelia Le Bihan v Darya Astakhova | 2-6,4-6 |
| ITF - W15 Monastir | 2020/09/29 11:35 | Kelia Le Bihan v Louise Kwong | 6-3,6-4 |
| ITF - W15 Monastir | 2020/09/23 13:00 | Anna Kubareva v Kelia Le Bihan | 1-6,6-3,6-1 |
| ITF - W15 Santarem | 2020/09/16 10:00 | Kelia Le Bihan v Jacqueline Cabaj Awad | 4-6,2-6 |
| ITF - W15 Santarem | 2020/09/15 10:00 | Kelia Le Bihan v Elizaveta Koklina | 6-4,6-0 |
| UTR Pro Tennis Series - Franta - Feminin | 2020/09/05 13:00 | Kelia Le Bihan v Ekaterina Makarova | 7-5,6-4 |
| UTR Pro Tennis Series - Franta - Feminin | 2020/09/05 07:00 | Kelia Le Bihan v O'sandra Oliynykova | 6-3,7-6 |
| UTR Pro Tennis Series - Franta - Feminin | 2020/09/05 07:00 | Kelia Le Bihan v Oleksandra Oliynykova | 6-3,7-6 |