Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 - Vejle | 2021/07/29 08:00 | Matias Zukas v Sandro Kopp | 6-3,6-1 |
| ITF M15 - Vejle | 2021/07/27 09:15 | Matias Zukas v Filip Bergevi | 6-2,6-2 |
| ITF M25 - Velenje | 2021/07/08 08:00 | Alexander Shevchenko v Matias Zukas | 6-2,6-1 |
| ITF M25 - Velenje | 2021/07/07 08:00 | Tom Kocevar-Desman v Matias Zukas | 5-7,0-6 |
| ITF M15 - Antalya | 2021/06/29 06:30 | Billy Harris v Matias Zukas | 3-6,6-3,6-4 |
| ITF M15 - Antalya | 2021/06/24 07:00 | Francisco Comesana v Matias Zukas | 6-0,6-2 |
| ITF M15 - Antalya | 2021/06/23 09:55 | Patrik Rikl v Matias Zukas | 6-0,4-6,1-6 |
| ITF M15 - Antalya | 2021/06/18 07:20 | Matias Zukas v Pawel Juszczak | 7-6,3-6,5-7 |
| 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 - Köpenhamn | 2021/06/19 08:30 | Dominik Palan v Henrik Heise Korsgaard | 6-7,5-2 |
| UTR Pro Tennis Series - Köpenhamn | 2021/06/18 08:00 | Henrik Atlevi v Henrik Heise Korsgaard | 0-6,3-6 |
| UTR Pro Tennis Series - Köpenhamn | 2021/06/17 08:00 | Maxim Landa v Henrik Heise Korsgaard | 1-6,4-6 |
| UTR Pro Tennis Series - Köpenhamn | 2021/06/16 09:30 | Sebastian Grundtvig Jorgensen v Henrik Heise Korsgaard | 6-3,6-5 |
| UTR Pro Tennis Series - Köpenhamn | 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 |