Stadion: Court 7 Round: 27 Ground: Clay
| ITF - M15 - Frederiksberg | 2021/08/05 10:20 | Markus Eriksson v Nikola Slavic | 6-3,6-1 |
| ITF - M15 - Frederiksberg | 2021/08/03 13:05 | Markus Eriksson v George Loffhagen | 6-7,6-2,6-2 |
| Challenger - Tampere | 2021/07/18 08:00 | Bogdan Bobrov v Markus Eriksson | 7-6,6-4 |
| ATP - Bastad | 2021/07/11 09:00 | Markus Eriksson v Thomas Fabbiano | 6-7,4-6 |
| ITF - M25 - Bourg-en-Bresse | 2021/07/01 08:30 | Markus Eriksson v Clement Tabur | 6-7,6-7 |
| ITF - M25 - Bourg-en-Bresse | 2021/06/30 07:00 | Markus Eriksson v Alexandre Aubriot | 6-2,2-6,6-3 |
| ITF - M25 - Montauban | 2021/06/22 11:00 | Nathan Seateun v Markus Eriksson | 6-4,7-5 |
| ITF - M25 - Grasse | 2021/06/17 08:00 | Markus Eriksson v Alvaro Lopez San Martin | 2-6,1-6 |
| ITF - M15 - Frederiksberg | 2021/08/05 08:00 | Sandro Kopp v Vasil Kirkov | 6-4,3-6,1-6 |
| ITF - M15 - Frederiksberg | 2021/08/04 08:00 | Marius Ruzgas v Vasil Kirkov | 2-6,2-6 |
| ITF - M15 - Vejle | 2021/07/30 07:55 | Karl Friberg v Vasil Kirkov | 6-2,7-6 |
| ITF - M15 - Vejle | 2021/07/27 12:20 | Adrian Oetzbach v Vasil Kirkov | 7-5,3-6,3-6 |
| UTR Pro Tennis Series - Pazardzhik | 2021/07/18 07:30 | Vasil Kirkov v Valentin Vanta | 6-3,7-5 |
| UTR Pro Tennis Series - Pazardzhik | 2021/07/17 07:00 | Vasil Kirkov v Adriano Dzhenev | 6-3,6-2 |
| UTR Pro Tennis Series - Pazardzhik | 2021/07/16 06:00 | Vasil Kirkov v Yanaki Milev | 6-1,6-1 |
| UTR Pro Tennis Series - Pazardzhik | 2021/07/14 07:30 | Vasil Kirkov v Aleksandr Braynin | 7-5,5-1 |