Stadium: Court 7 Round: 27 Ground: Clay
| ITF M15 Frederiksberg | 2021/08/05 10:20 | Eriksson, Markus v Slavic, Nikola | 6-3,6-1 |
| ITF M15 Frederiksberg | 2021/08/03 13:05 | Eriksson, Markus v George Loffhagen | 6-7,6-2,6-2 |
| 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 M15 Frederiksberg | 2021/08/05 08:00 | Sandro Kopp v Kirkov, Vasil | 6-4,3-6,1-6 |
| ITF M15 Frederiksberg | 2021/08/04 08:00 | Ruzgas, Marius v Kirkov, Vasil | 2-6,2-6 |
| ITF M15 Vejle | 2021/07/30 07:55 | Karl Friberg v Kirkov, Vasil | 6-2,7-6 |
| ITF M15 Vejle | 2021/07/27 12:20 | Adrian Oetzbach v Kirkov, Vasil | 7-5,3-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/18 07:30 | Kirkov, Vasil v Valentin Vanta | 6-3,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/17 07:00 | Kirkov, Vasil v Adriano Dzhenev | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 06:00 | Kirkov, Vasil v Yanaki Milev | 6-1,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/14 07:30 | Kirkov, Vasil v Aleksandr Braynin | 7-5,5-1 |