| ITF - W25 Ystad | 2019/06/19 10:25 | Romy Koelzer v Richel Hogenkamp | 1-6,4-6 |
| Alemanha - Premier League - Feminino | 2020/08/04 07:30 | Richel Hogenkamp v Oana Gavrila | 6-4,6-1 |
| Alemanha - Premier League - Feminino | 2020/08/03 13:00 | Katharina Hering v Richel Hogenkamp | 6-3,0-6,2-6 |
| ITF - W25 Sunderland | 2020/02/28 13:05 | Richel Hogenkamp v Emma Raducanu | 3-6,2-6 |
| ITF - W25 Sunderland | 2020/02/27 10:00 | Richel Hogenkamp v Tanysha Dissanayake | 6-1,6-2 |
| ITF - W25 Sunderland | 2020/02/25 11:30 | Richel Hogenkamp v Freya Christie | 6-1,6-4 |
| ITF - W25 Glasgow | 2020/02/20 14:45 | Viktoriya Tomova v Richel Hogenkamp | 4-6,6-3,6-3 |
| ITF - W25 Glasgow | 2020/02/18 10:00 | Richel Hogenkamp v Joanna Garland | 6-3,6-3 |
| ITF - W100 Cairo | 2020/02/12 10:00 | Richel Hogenkamp v Lara Arruabarrena | 2-6,7-5,2-6 |
| Alemanha - Premier League - Feminino | 2020/08/04 07:30 | Romy Koelzer v Kathleen Kanev | 6-1,6-4 |
| Alemanha - Premier League - Feminino | 2020/08/03 14:40 | Oana Gavrila v Romy Koelzer | 6-1,3-6,4-6 |
| Alemanha - Premier League - Feminino | 2020/07/31 12:15 | Romy Koelzer v Maryna Zanevska | 7-5,6-4 |
| Alemanha - Premier League - Feminino | 2020/07/30 17:35 | Romy Koelzer v Vanda Lukacs | 6-4,6-3 |
| Alemanha - Premier League - Feminino | 2020/07/29 09:05 | Romy Koelzer v Tayisiya Morderger | 6-1,6-4 |
| Alemanha - Premier League - Feminino | 2020/07/28 11:20 | Romy Koelzer v Antonia Schmidt | 6-4,6-0 |
| Alemanha - Premier League - Feminino | 2020/07/27 08:00 | Romy Koelzer v Charlotte Klasen | 6-2,3-6,6-7 |
| DTB German Pro Series - Feminino | 2020/07/18 14:20 | Laura Siegemund v Romy Koelzer | 4-6,6-0,6-1 |