Stadium: Court 20 Round: 28 Ground: Hardcourt outdoor
| ITF - M15 Heraklion - Dublu Masculin | 2021/11/16 14:30 | Kyratzis/Thanos v Lemstra/Romios | 4-6,3-6 |
| ITF - M15 Heraklion - Dublu Masculin | 2021/11/11 12:50 | Lemstra/Romios v Deckers/Houkes | 6-2,6-7,6-10 |
| ITF - M15 Heraklion - Dublu Masculin | 2021/11/09 13:35 | Lemstra/Romios v Sanghera/Tzicas | 6-0,6-1 |
| ITF - M25 Wetzlar - Dublu Masculin | 2021/08/04 16:25 | Lemstra/Romios v Hassan/Schmitz | 3-6,6-2,10-3 |
| ITF - M15 Heraklion - Dublu Masculin | 2021/11/18 12:40 | Brown/Seelig v Kopp/Veldheer | 6-7,6-7 |
| ITF - M15 Heraklion - Dublu Masculin | 2021/11/16 14:00 | Papounidis/Schinas v Kopp/Veldheer | 3-6,6-7 |
| ITF - M25 Trier - Dublu Masculin | 2021/08/27 14:30 | Kopp/Veldheer v Echargui/Folliot | 2-6,1-6 |
| ITF - M25 Trier - Dublu Masculin | 2021/08/26 14:00 | Kopp/Veldheer v Chandrasekar/Sureshkumar | 6-3,6-2 |
| ITF - M25 Trier - Dublu Masculin | 2021/08/24 12:30 | Kopp/Veldheer v Guenther/Schommer | 6-2,6-1 |
| ITF - M25 Frankfurt am Main- Dublu Masculin | 2021/08/12 13:30 | Esteve Lobato/Roca Batalla v Kopp/Veldheer | 7-6,6-4 |
| ITF - M25 Frankfurt am Main- Dublu Masculin | 2021/08/11 13:30 | Penzlin/Sigsgaard v Kopp/Veldheer | 1-6,3-6 |
| ITF - M15 Vejle - Dublu Masculin | 2021/07/31 10:10 | Kopp/Veldheer v Ingildsen/Sigsgaard | 4-6,4-6 |