| ITF M25 Alkmaar | 2021/06/20 12:00 | Jip Van Assendelft v 드호, 벤자민 | 2-6,3-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 15:00 | 드호, 벤자민 v 데니소브, 이반 | 7-5,6-0 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 13:30 | 아드미랄, 아마다투스 v 드호, 벤자민 | 3-6,3-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 13:30 | 클라벨, 톰 v 드호, 벤자민 | 4-6,2-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 12:00 | 베르비크, 셈 v 드호, 벤자민 | 6-3,6-4 |
| UTR Pro Tennis Series Amsterdam | 2021/11/01 10:30 | Minakov, Mikhail v 드호, 벤자민 | 6-0,7-6 |
| ITF M25 Hamburg | 2021/10/17 14:50 | 드호, 벤자민 v Sandkaulen, Tim | 6-7,6-2,5-10 |
| ITF M25 Hamburg | 2021/10/17 10:35 | 드호, 벤자민 v 호에벨러, 레온 | 4-6,6-1,10-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/16 12:30 | 드호, 벤자민 v 웡, 징룽 | 4-6,3-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 16:00 | Nathan De Veer v Jip Van Assendelft | 2-6,3-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 09:00 | Jip Van Assendelft v 바탈진, 로렌스 | 7-6,6-2 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 12:00 | Jip Van Assendelft v Willems, Johann | 3-6,2-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 09:00 | Miko Wassermann v Jip Van Assendelft | 1-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/02 10:30 | 덴 헤이젤, 구이 v Jip Van Assendelft | 6-4,5-2 |
| ITF M25 Hamburg | 2021/10/17 07:55 | Romain Faucon v Jip Van Assendelft | 1-6,6-1,11-9 |
| ITF M25 Sintra | 2021/09/15 15:20 | Jip Van Assendelft v 노구치, 리오 | 6-4,0-6,1-6 |
| ITF M25 Sintra | 2021/09/14 09:55 | Jip Van Assendelft v Mirko Lagasio | 7-6,6-0 |