Stadium: Court 1 Round: 28 Ground: Clay
| ITF - Trier M25 - MD | 2021/08/26 14:00 | Kopp/Veldheer v Chandrasekar/Sureshkumar | 6-3,6-2 |
| ITF - Trier M25 - MD | 2021/08/24 12:30 | Kopp/Veldheer v Guenther/Schommer | 6-2,6-1 |
| ITF - Frankfurt am Main M25 - MD | 2021/08/12 13:30 | Esteve Lobato/Roca Batalla v Kopp/Veldheer | 7-6,6-4 |
| ITF - Frankfurt am Main M25 - MD | 2021/08/11 13:30 | Penzlin/Sigsgaard v Kopp/Veldheer | 1-6,3-6 |
| ITF - Vejle M15 - MD | 2021/07/31 10:10 | Kopp/Veldheer v Ingildsen/Sigsgaard | 4-6,4-6 |
| ITF - Vejle M15 - MD | 2021/07/30 17:15 | Holmgren/Oetzbach v Kopp/Veldheer | 2-6,3-6 |
| ITF - Vejle M15 - MD | 2021/07/27 15:15 | Kirkin/Zukas v Kopp/Veldheer | 3-6,6-7 |
| ITF - Telfs M25 - MD | 2021/07/15 15:15 | Novansky/Palovic v Kopp/Veldheer | 2-6,6-7 |
| ITF - Trier M25 - MD | 2021/08/26 15:15 | Jebens/Schell v Echargui/Folliot | 4-6,7-6,8-10 |
| ITF - Trier M25 - MD | 2021/08/24 13:15 | Hornung/Vankan v Echargui/Folliot | 4-6,5-7 |