| ITF W25 Ystad | 2019/06/19 10:25 | Koelzer, Romy v Hogenkamp, Richel | 1-6,4-6 |
| German Premier League Women | 2020/08/04 07:30 | Hogenkamp, Richel v Oana Gavrila | 6-4,6-1 |
| German Premier League Women | 2020/08/03 13:00 | Hering, Katharina v Hogenkamp, Richel | 6-3,0-6,2-6 |
| Sunderland, Simples W-ITF-GBR-04A | 2020/02/28 13:05 | Hogenkamp, Richel v Emma Raducanu | 3-6,2-6 |
| Sunderland, Simples W-ITF-GBR-04A | 2020/02/27 10:00 | Hogenkamp, Richel v Dissanayake, Tanysha | 6-1,6-2 |
| Sunderland, Simples W-ITF-GBR-04A | 2020/02/25 11:30 | Hogenkamp, Richel v Freya Christie | 6-1,6-4 |
| ITF W25 Glasgow | 2020/02/20 14:45 | Viktoriya Tomova v Hogenkamp, Richel | 4-6,6-3,6-3 |
| ITF W25 Glasgow | 2020/02/18 10:00 | Hogenkamp, Richel v Joanna Garland | 6-3,6-3 |
| Cairo, Singles Qualifying W-ITF-EGY-06A | 2020/02/12 10:00 | Hogenkamp, Richel v Arruabarrena, L. | 2-6,7-5,2-6 |
| German Premier League Women | 2020/08/04 07:30 | Koelzer, Romy v Kathleen Kanev | 6-1,6-4 |
| German Premier League Women | 2020/08/03 14:40 | Oana Gavrila v Koelzer, Romy | 6-1,3-6,4-6 |
| German Premier League Women | 2020/07/31 12:15 | Koelzer, Romy v Zanevska, Maryna | 7-5,6-4 |
| German Premier League Women | 2020/07/30 17:35 | Koelzer, Romy v Lukacs, Vanda | 6-4,6-3 |
| German Premier League Women | 2020/07/29 09:05 | Koelzer, Romy v Tayisiya Morderger | 6-1,6-4 |
| German Premier League Women | 2020/07/28 11:20 | Koelzer, Romy v Antonia Schmidt | 6-4,6-0 |
| German Premier League Women | 2020/07/27 08:00 | Koelzer, Romy v Klasen, Charlotte | 6-2,3-6,6-7 |
| DTB German Pro Series Women | 2020/07/18 14:20 | Laura Siegemund v Koelzer, Romy | 4-6,6-0,6-1 |