Stadium: Court 11 Round: 62 Ground: Hardcourt outdoor
| 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 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 08:00 | Maxim Landa v Henrik Heise Korsgaard | 1-6,4-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/16 09:30 | Sebastian Grundtvig Jorgensen v Henrik Heise Korsgaard | 6-3,6-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 09:30 | Sren Borup Wedege v Henrik Heise Korsgaard | 6-2,3-6,4-3 |
| ITF M15 Ystad | 2019/08/07 13:00 | Henrik Heise Korsgaard v Patrik Niklas-Salminen | 4-6,2-6 |
| ITF M25 Alkmaar | 2021/06/20 12:00 | Jip Van Assendelft v Benjamin Dhoe | 2-6,3-6 |
| ITF M15 Antalya | 2021/05/30 07:30 | Jip Van Assendelft v Nicolas Agustin Lema | 4-6,7-6,10-12 |
| ITF M15 Antalya | 2021/05/24 10:00 | Jip Van Assendelft v Davide Albertoni | 2-6,1-6 |
| ITF M15 Antalya | 2021/05/23 07:00 | John Sperle v Jip Van Assendelft | 5-7,7-5,4-10 |
| ITF M15 Monastir | 2021/04/11 10:00 | Jip Van Assendelft v Piotr Matuszewski | 5-7,4-6 |
| ITF M15 Monastir | 2021/04/05 09:00 | Jip Van Assendelft v Romain Faucon | 3-6,6-1,7-10 |
| ITF M15 Monastir | 2021/04/04 10:30 | Justin Roberts v Jip Van Assendelft | 1-6,3-6 |
| ITF M25 Trimbach | 2021/03/08 13:35 | Patrik Hartmeier v Jip Van Assendelft | 7-5,7-5 |