Estádio: Court 11 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 Sintra | 2021/09/05 12:00 | Paulo A S Dos Santos v Illia Stoliar | 6-2,6-2 |
| ITF - M15 Oldenzaal | 2021/08/15 07:30 | Jarno Jans v Paulo A S Dos Santos | 7-5,6-1 |
| ITF - M15 Xàtiva | 2021/08/01 13:00 | Paulo A S Dos Santos v Alexis Boureau | 2-6,3-6 |
| ITF - M15 Castelo Branco | 2021/07/26 08:30 | Clement Chidekh v Paulo A S Dos Santos | 7-6,6-1 |
| ITF - M15 Córdoba | 2021/04/07 13:30 | Paulo A S Dos Santos v Lucio Carnevalle | 1-6,2-6 |
| ITF - M15 Córdoba | 2021/04/06 13:00 | Paulo A S Dos Santos v Julian Gimenez | 7-6,3-6,12-10 |
| ITF - M15 Córdoba | 2021/04/05 14:00 | Paulo A S Dos Santos v Ezequiel Simonit | 3-6,6-1,10-8 |
| ITF - M15 Córdoba | 2021/04/04 12:30 | Roman Andres Burruchaga v Paulo A S Dos Santos | 6-1,5-7,6-10 |
| 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 - Copenhaga | 2021/06/19 08:30 | Dominik Palan v Henrik Heise Korsgaard | 6-7,5-2 |
| UTR Pro Tennis Series - Copenhaga | 2021/06/18 08:00 | Henrik Atlevi v Henrik Heise Korsgaard | 0-6,3-6 |
| UTR Pro Tennis Series - Copenhaga | 2021/06/17 08:00 | Maxim Landa v Henrik Heise Korsgaard | 1-6,4-6 |
| UTR Pro Tennis Series - Copenhaga | 2021/06/16 09:30 | Sebastian Grundtvig Jorgensen v Henrik Heise Korsgaard | 6-3,6-5 |
| UTR Pro Tennis Series - Copenhaga | 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 |