| UTR Pro Tennis Series - Amsterdam | 2021/12/08 09:30 | Amadatus Admiraal v Denys Puzanof | 6-0,5-0 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/07 12:00 | Max Houkes v Amadatus Admiraal | 6-0,6-4 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/06 10:30 | Amadatus Admiraal v Rik Muller | 7-6,5-2 |
| 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 M15 - Oldenzaal | 2021/08/16 10:00 | Zachary Eisinga v Aloys J W Van Baal | 3-6,6-4,10-7 |
| ITF M15 - Oldenzaal | 2021/08/15 08:30 | Yannick Verwater v Aloys J W Van Baal | 3-6,1-6 |
| ITF M25 - Haag | 2021/06/27 08:00 | Aloys J W Van Baal v Raphael Collignon | 4-6,3-6 |
| ITF M15 - Skopje | 2021/06/07 09:00 | Max Houkes v Aloys J W Van Baal | 6-2,6-2 |
| ITF M15 - Skopje | 2021/05/30 07:00 | Aloys J W Van Baal v Tom Gentzsch | 1-6,7-5,7-10 |
| ITF M15 - Monastir | 2021/03/28 10:30 | Aloys J W Van Baal v Pietro Pampanin | 4-6,2-6 |
| ITF M15 - Cairo | 2020/11/29 10:30 | Aloys J W Van Baal v Yurii Dzhavakian | 6-2,4-6,5-10 |
| ITF M15 - Alkmaar | 2020/08/23 11:00 | Vladimir Ivanov v Aloys J W Van Baal | 6-2,7-5 |