| UTR Pro Tennis Series Copenhagen | 2021/10/21 08:30 | Alexander Garde v Caspar Jalili Mikkelsen | 1-6,3-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/23 08:30 | Simon Friis Soendergaard v Deni Zmak | 5-7,1-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/22 08:30 | Alexander Stage v Simon Friis Soendergaard | 1-6,1-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/21 10:00 | D Van Orderlain v Simon Friis Soendergaard | 2-6,0-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/20 08:30 | Adam Heinonen v Simon Friis Soendergaard | 1-6,2-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/18 10:00 | Marius Ruzgas v Simon Friis Soendergaard | 2-6,4-5 |
| ITF M15 Frederiksberg | 2021/08/01 10:00 | Gabriel Decamps v Simon Friis Soendergaard | 6-4,6-2 |
| ITF USA F27 | 2017/08/09 18:00 | Genaro Alberto Olivieri v Simon Friis Soendergaard | 6-4,5-2 |
| ITF USA F27 Qual | 2017/08/07 16:25 | Simon Friis Soendergaard v Francisco Dias | 7-6,2-6,6-3 |