| UTR Pro Tennis Series - Amsterdam | 2021/11/05 13:30 | Amadatus Admiraal v Benjamin Dhoe | 3-6,3-5 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/04 13:30 | Amadatus Admiraal v Mikhail Minakov | 3-6,4-5 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/03 12:00 | Tom Clavel v Amadatus Admiraal | 6-3,6-7,2-5 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/02 13:30 | Sem Verbeek v Amadatus Admiraal | 6-2,6-2 |
| ITF - M15 - Oldenzaal | 2021/08/15 14:00 | Giles Hussey v Amadatus Admiraal | 6-3,6-2 |
| ITF - M25 - Alkmaar | 2021/06/20 11:00 | Herman Meeuwes Mattheo Knoop v Amadatus Admiraal | 4-6,6-3,10-8 |
| ITF - M15 - Bad Salzdetfurth | 2019/10/08 11:00 | Amadatus Admiraal v Evan Furness | 3-6,3-6 |
| ITF - M15 - Haren | 2019/08/29 13:50 | Aleksandre Metreveli v Amadatus Admiraal | 6-2,4-6,6-3 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/05 09:00 | Edison Ambarzumjan v Rik Muller | 2-6,6-2,0-5 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/04 10:30 | Ivan Denisov v Rik Muller | 6-3,5-1 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/03 10:30 | Michiel de Krom v Rik Muller | 6-4,5-1 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/01 09:00 | Deney Wassermann v Rik Muller | 6-0,5-2 |