| UTR Pro Tennis Series Copenhagen | 2021/10/21 08:30 | Alexander Stage v Ruzgas, Marius | 2-6,2-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/20 10:00 | Drew Van Orderlain v Alexander Stage | 6-4,3-6,6-3 |
| UTR Pro Tennis Series Copenhagen | 2021/10/19 07:00 | Adam Heinonen v Alexander Stage | 6-3,6-3 |
| UTR Pro Tennis Series Copenhagen | 2021/10/21 10:00 | D Van Orderlain v Soendergaard, Simon Friis | 2-6,0-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/20 08:30 | Adam Heinonen v Soendergaard, Simon Friis | 1-6,2-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/18 10:00 | Ruzgas, Marius v Soendergaard, Simon Friis | 2-6,4-5 |
| ITF M15 Frederiksberg | 2021/08/01 10:00 | Gabriel Decamps v Soendergaard, Simon Friis | 6-4,6-2 |
| ITF USA F27 | 2017/08/09 18:00 | Genaro Alberto Olivieri v Soendergaard, Simon Friis | 6-4,5-2 |
| ITF USA F27 Qual | 2017/08/07 16:25 | Soendergaard, Simon Friis v Dias, Francisco | 7-6,2-6,6-3 |