Stadium: Court 7 Round: 25 Ground: Clay
| Challenger Tampere | 2021/07/18 08:00 | Bogdan Bobrov v Eriksson, Markus | 7-6,6-4 |
| ATP Bastad | 2021/07/11 09:00 | Eriksson, Markus v Fabbiano, Thomas | 6-7,4-6 |
| ITF M25 Bourg-en-Bresse | 2021/07/01 08:30 | Eriksson, Markus v Clement Tabur | 6-7,6-7 |
| ITF M25 Bourg-en-Bresse | 2021/06/30 07:00 | Eriksson, Markus v Alexandre Aubriot | 6-2,2-6,6-3 |
| ITF M25 Montauban | 2021/06/22 11:00 | Nathan Seateun v Eriksson, Markus | 6-4,7-5 |
| ITF - M25 Grasse | 2021/06/17 08:00 | Eriksson, Markus v Lopez San Martin, Alvaro | 2-6,1-6 |
| ITF - M25 Grasse | 2021/06/15 13:05 | Eriksson, Markus v Dan Added | 6-4,6-2 |
| ITF M25 Most | 2021/05/27 07:55 | Bolardt, Antonin v Eriksson, Markus | 6-4,6-4 |
| ITF M15 Vejle | 2021/07/27 15:50 | Yitbarek, Simon v George Loffhagen | 6-3,6-2 |
| ITF M15 Poprad | 2021/07/09 08:00 | Roman Andres Burruchaga v George Loffhagen | 6-3,6-4 |
| ITF M15 Poprad | 2021/07/06 10:20 | George Loffhagen v Apostol, Bogdan Ionut | 6-3,6-1 |
| ITF M25 Bourg-en-Bresse | 2021/06/29 09:35 | George Loffhagen v Bradley Paliska | 3-6,7-5,9-11 |
| ITF - M25 Grasse | 2021/06/16 08:00 | Valentin Royer v George Loffhagen | 4-6,6-2,6-0 |
| ITF - M25 Grasse | 2021/06/14 13:40 | George Loffhagen v Maxence Beauge | 7-5,6-1 |
| ITF - M25 Grasse | 2021/06/14 07:30 | George Loffhagen v Lucas Bouquet | 6-0,6-4 |
| ITF M15 Helsinki | 2021/06/01 08:45 | George Loffhagen v Westphal, Max | 6-1,1-6,3-10 |