Stadion: Court 4 Round: 28 Ground: Clay
| ITF - M15 - Vejle - Herrendoppel | 2021/07/30 17:15 | Holmgren/Oetzbach v Kopp/Veldheer | 2-6,3-6 |
| ITF - M15 - Vejle - Herrendoppel | 2021/07/27 15:15 | Kirkin/Zukas v Kopp/Veldheer | 3-6,6-7 |
| ITF - M25 - Telfs - Herrendoppel | 2021/07/15 15:15 | Novansky/Palovic v Kopp/Veldheer | 2-6,6-7 |
| ITF - M25 - Telfs - Herrendoppel | 2021/07/13 12:00 | Novansky/Palovic v Kopp/Veldheer | 2-6,6-7 |
| ITF - M15 - Antalya - Herrendoppel | 2021/05/18 11:00 | Kopp/Veldheer v Luz/Roveri Sidney | 6-2,2-6,7-10 |
| ITF - M15 - Antalya - Herrendoppel | 2021/05/13 12:50 | Friberg/Yitbarek v Kopp/Veldheer | 6-2,6-4 |
| ITF - M15 - Antalya - Herrendoppel | 2021/05/11 12:30 | Kopp/Veldheer v Forti/Galoppini | 6-1,6-4 |
| ITF - M15 - Antalya - Herrendoppel | 2021/05/06 12:50 | Kopp/Veldheer v Luz/Roveri Sidney | 2-6,2-6 |
| ITF - M15 - Vejle - Herrendoppel | 2021/07/30 16:30 | Ingildsen/Sigsgaard v Kirkov/Kypson | 6-2,3-6,10-5 |
| ITF - M15 - Vejle - Herrendoppel | 2021/07/27 13:30 | Ingildsen/Sigsgaard v Ruzgas/Vasa | 7-5,6-2 |