Stadium: Court 12 Round: 14 Ground: Hardcourt indoor
| ITF M25 Biel | 2021/04/01 08:00 | Otto Virtanen v Michael Vrbensky | 7-6,6-3 |
| ITF M25 Biel | 2021/03/31 07:55 | Baptiste Crepatte v Michael Vrbensky | 4-6,7-5,6-7 |
| Challenger Zadar | 2021/03/24 10:25 | Lukas Klein v Michael Vrbensky | 5-7,6-3,6-1 |
| Challenger Zadar | 2021/03/22 12:40 | Michael Vrbensky v Enzo Couacaud | 6-3,6-2 |
| Challenger St. Petersburg | 2021/03/09 07:00 | Marius Copil v Michael Vrbensky | 6-3,6-1 |
| Challenger Gran Canaria | 2021/03/01 14:45 | Blaz Kavcic v Michael Vrbensky | 6-4,6-4 |
| Challenger Gran Canaria | 2021/02/22 12:00 | Michael Vrbensky v Alex M Pujolras | 6-2,2-6,6-7 |
| Challenger Gran Canaria | 2021/02/21 13:15 | Michael Vrbensky v Ronald Slobodchikov | 6-2,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/09 15:30 | Evan King v Alexis Gurmendi | 6-1,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/07 14:00 | Evan King v Hunter Reese | 6-4,6-1 |
| UTR Pro Tennis Series Atlanta | 2021/04/06 12:30 | Evan King v Kiranpal Pannu | 1-6,4-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/05 12:30 | Connor Krug v Evan King | 1-6,3-6 |
| Challenger Cleveland | 2021/03/15 21:15 | Emilio Gomez v Evan King | 6-4,6-2 |
| ATP Singapore | 2021/02/20 07:45 | Evan King v Altug Celikbilek | 2-6,4-6 |
| Challenger Biella | 2021/02/07 11:35 | Riccardo Bonadio v Evan King | 6-7,6-1,6-0 |
| UTR Pro Tennis Series Florida | 2020/09/24 15:00 | Boris Arias v Evan King | 6-4,1-6,5-10 |