| UTR Pro Tennis Series Amsterdam | 2021/12/09 08:30 | Sem Verbeek v Jurriaan Bol | 3-6,6-3,1-5 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 07:00 | Sem Verbeek v Tibo Colson | 3-6,4-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/07 07:00 | Sem Verbeek v Zachary Eisinga | 6-0,6-1 |
| UTR Pro Tennis Series Amsterdam | 2021/12/06 11:30 | Sem Verbeek v Tim Sandkaulen | 5-7,6-7 |
| UTR Pro Tennis Series Amsterdam | 2021/11/07 10:30 | Guy Den Heijer v Sem Verbeek | 6-3,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 13:30 | Thorsten Sollie v Sem Verbeek | 6-4,4-6,5-7 |
| UTR Pro Tennis Series Amsterdam | 2021/11/05 10:30 | Sem Verbeek v Mikhail Minakov | 6-2,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 12:00 | Sem Verbeek v Benjamin Dhoe | 6-3,6-4 |
| UTR Pro Tennis Series Amsterdam | 2021/12/10 08:25 | Rob Van Den Berg v Guy Den Heijer | 3-6,2-6 |
| UTR Pro Tennis Series Amsterdam | 2021/12/09 09:00 | Rob Van Den Berg v Max Van Nunen | 7-5,5-7,6-4 |
| UTR Pro Tennis Series Amsterdam | 2021/12/08 07:00 | Jip Van Assendelft v Rob Van Den Berg | 4-6,6-4,6-1 |
| UTR Pro Tennis Series Amsterdam | 2021/12/07 08:30 | Michiel de Krom v Rob Van Den Berg | 5-7,6-3,5-2 |