| UTR Pro Tennis Series Copenhagen | 2021/10/18 11:30 | Nikolaj Katic v Henrik Heise Korsgaard | 1-6,6-3,6-4 |
| ITF M25 Sintra | 2021/09/13 16:30 | Henrik Heise Korsgaard v Jip Van Assendelft | 6-3,4-6,5-10 |
| ITF M25 Sintra | 2021/09/07 10:45 | Alastair Gray v Henrik Heise Korsgaard | 6-1,6-4 |
| ITF M25 Sintra | 2021/09/06 13:30 | Paulo A S Dos Santos v Henrik Heise Korsgaard | 7-5,5-7,6-10 |
| ITF M15 Vejle | 2021/07/29 14:35 | Henrik Heise Korsgaard v Christian Sigsgaard | 7-5,6-2 |
| ITF M15 Vejle | 2021/07/27 17:20 | Leonardo Catani v Henrik Heise Korsgaard | 3-6,3-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/19 08:30 | Dominik Palan v Henrik Heise Korsgaard | 6-7,5-2 |
| UTR Pro Tennis Series Copenhagen | 2021/06/18 08:00 | Henrik Atlevi v Henrik Heise Korsgaard | 0-6,3-6 |