| UTR Pro Tennis Series Copenhagen | 2021/10/22 10:00 | Landa, Maxim v Arslan Temirhanov | 2-6,2-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/21 10:00 | Rodriguez, J. A. v Arslan Temirhanov | 4-6,1-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/19 07:00 | Zmak, Deni v Arslan Temirhanov | 7-5,6-4 |
| UTR Pro Tennis Series Copenhagen | 2021/10/18 07:00 | Arslan Temirhanov v Albert P Hansen | 6-2,6-2 |
| UTR Pro Tennis Series Copenhagen | 2021/10/22 08:30 | Adam Heinonen v Ruzgas, Marius | 3-6,6-3,3-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/21 08:30 | Alexander Stage v Ruzgas, Marius | 2-6,2-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/19 08:30 | Drew Van Orderlain v Ruzgas, Marius | 3-6,4-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/18 10:00 | Ruzgas, Marius v Soendergaard, Simon Friis | 2-6,4-5 |
| ITF M25 Falun | 2021/09/27 12:00 | Ruzgas, Marius v Dahlberg, Mans | 5-7,4-6 |
| ITF M25 Jonkoping | 2021/09/20 10:30 | Ruzgas, Marius v Mats Rosenkranz | 5-7,5-7 |
| ITF M15 Frederiksberg | 2021/08/04 08:00 | Ruzgas, Marius v Kirkov, Vasil | 2-6,2-6 |
| ITF M15 Vejle | 2021/07/27 09:15 | Ruzgas, Marius v Alexander Kotzen | 2-6,6-4,3-6 |