| UTR Pro Tennis Series - Barcelona | 2021/11/27 11:00 | Michiel de Krom v Alvaro Bueno Gil | 6-4,6-3 |
| UTR Pro Tennis Series - Barcelona | 2021/11/26 09:30 | Michiel de Krom v Volodymyr Uzhylovskyi | 6-0,6-2 |
| UTR Pro Tennis Series - Barcelona | 2021/11/25 14:30 | Michiel de Krom v Thomas Laurent | 3-6,3-5 |
| UTR Pro Tennis Series - Barcelona | 2021/11/25 08:00 | Michiel de Krom v Euan Mcintosh | 6-0,6-4 |
| UTR Pro Tennis Series - Barcelona | 2021/11/22 09:30 | Michiel de Krom v Sergio Redondo | 6-3,5-3 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/06 13:30 | Maxence Broville v Michiel de Krom | 6-4,5-2 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/05 12:00 | Michiel de Krom v Deney Wassermann | 2-6,3-6 |
| UTR Pro Tennis Series - Amsterdam | 2021/11/03 10:30 | Michiel de Krom v Rik Muller | 6-4,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/11/26 18:10 | Tomas C Abasolo v Vlad Cristian Breazu | 5-7,3-6 |
| UTR Pro Tennis Series - Barcelona | 2021/11/26 11:00 | Ilie Babinciuc v Vlad Cristian Breazu | 3-6,3-6 |
| UTR Pro Tennis Series - Barcelona | 2021/11/25 19:15 | Jay Friend v Vlad Cristian Breazu | 6-4,6-3 |
| UTR Pro Tennis Series - Barcelona | 2021/11/22 08:00 | Kuzey Cekirge v Vlad Cristian Breazu | 7-5,4-6,2-6 |
| UTR Pro Tennis Series - Barcelona | 2021/11/14 08:00 | Benjamin Dhoe v Vlad Cristian Breazu | 6-1,5-1 |
| UTR Pro Tennis Series - Barcelona | 2021/11/13 13:00 | Jan Dimitrijevic v Vlad Cristian Breazu | 7-5,0-6,2-6 |
| UTR Pro Tennis Series - Barcelona | 2021/11/12 17:30 | Diego F Flores v Vlad Cristian Breazu | 6-3,6-1 |
| UTR Pro Tennis Series - Barcelona | 2021/11/12 14:30 | Xavier Gabarro v Vlad Cristian Breazu | 4-6,1-3 |