| TennisDirect NK Tennis | 2021/12/15 10:30 | Tim Van Rijthoven v Amadatus Admiraal | 6-2,6-0 |
| UTR Pro Tennis Series Amsterdam | 2021/12/11 11:30 | Amadatus Admiraal v Michiel de Krom | 3-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/12/09 07:00 | Amadatus Admiraal v Aloys J W Van Baal | 6-4,6-6 |
| 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 Manzanillo | 2021/12/19 20:21 | David Perez Sanz v Manuel S Montemayor | 6-4,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/18 20:00 | Manuel S Montemayor v Alan Magadan | 6-4,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/17 15:00 | Liam Oliver Toroman v Manuel S Montemayor | 1-6,1-5 |
| UTR Pro Tennis Series Manzanillo | 2021/12/16 16:30 | Guillermo Castaneda v Manuel S Montemayor | 3-6,1-6 |
| UTR Pro Tennis Series Manzanillo | 2021/12/14 15:00 | Rodrigo Echavarria v Manuel S Montemayor | 0-6,0-6 |
| UTR Pro Tennis Series Manzanillo | 2021/12/13 19:30 | Manuel S Montemayor v Mario Radev | 6-0,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/12/12 16:30 | David Perez Sanz v Manuel S Montemayor | 6-2,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/11 15:00 | Jean Baptiste Badon v Manuel S Montemayor | 1-6,2-6 |