Stadium: Court 2 Round: 25 Ground: Clay
| ITF Women Leipzig | 2017/08/17 10:00 | Hogenkamp, Richel v Gerlach, Katharina | 6-2,7-6 |
| WTA - Linz | 2020/11/07 10:15 | Irina Maria Bara v Gerlach, Katharina | 2-6,6-3,6-4 |
| ITF W25 Reims | 2020/10/21 12:40 | Harmony Tan v Gerlach, Katharina | 6-0,6-0 |
| ITF W25 Reims | 2020/10/19 09:55 | Gerlach, Katharina v Lumsden, Maia | 7-5,6-3 |
| ITF W25 Reims | 2020/10/18 08:00 | Gerlach, Katharina v Le Bihan, Kelia | 6-1,6-4 |
| ITF W25 Cherbourg | 2020/10/11 17:40 | Gerlach, Katharina v Selena Janicijevic | 3-6,0-6 |
| ITF W25 Grado | 2020/09/16 16:15 | Sina Herrmann v Gerlach, Katharina | 6-3,6-4 |
| ITF W25 Tarvisio | 2020/09/10 14:05 | Francesca Jones v Gerlach, Katharina | 6-0,7-5 |
| WTA Prague | 2020/08/31 13:00 | Bibiane Schoofs v Gerlach, Katharina | 6-2,6-0 |
| Open de France - Femmes | 2020/09/25 09:40 | Irina Maria Bara v Hogenkamp, Richel | 6-2,7-6 |
| Open de France - Femmes | 2020/09/24 08:00 | Rebecca Sramkova v Hogenkamp, Richel | 6-4,1-6,1-6 |
| Open de France - Femmes | 2020/09/22 11:15 | Hogenkamp, Richel v Kucova, Kristina | 6-1,6-3 |
| ITF W25 Prague | 2020/09/09 09:45 | Hogenkamp, Richel v Jesika Maleckova | 1-6,2-6 |
| WTA Prague | 2020/08/31 15:00 | Lara Salden v Hogenkamp, Richel | 6-4,6-7,6-2 |
| WTA Prague | 2020/08/29 10:15 | Hogenkamp, Richel v Chloe Paquet | 1-6,6-1,7-6 |
| German Premier League Women | 2020/08/07 07:30 | Hogenkamp, Richel v Yana Morderger | 5-7,6-1,6-4 |
| German Premier League Women | 2020/08/06 09:30 | Hogenkamp, Richel v Kathleen Kanev | 6-1,6-0 |