| ITF M25 Prague | 2021/10/03 10:30 | Matej Galik v Ondrej Horak | 3-6,1-6 |
| ITF M25 Budapest | 2021/09/26 09:30 | Oliver Varga-Toth v Matej Galik | 5-7,7-5,11-9 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Marcel Politowicz v Matej Galik | 6-2,6-3 |
| ITF M15 Zlatibor | 2021/09/12 10:00 | Matej Galik v Ali Habib | 6-3,3-6,4-10 |
| ITF M15 Zilina | 2021/09/01 08:00 | Edoardo Lavagno v Matej Galik | 6-0,6-4 |
| ITF M15 Bratislava | 2021/08/16 08:00 | Zsombor Velcz v Matej Galik | 6-0,6-2 |
| ITF M15 Poprad | 2021/07/05 08:00 | Matias Soto v Matej Galik | 6-3,6-2 |
| ITF M15 Poprad | 2021/07/04 08:00 | Tomas Krcma v Matej Galik | 1-6,0-6 |
| ATP Stockholm | 2021/11/06 11:00 | Jozef Kovalik v Danilo Petrovic | 7-6,7-6 |
| Challenger Bergamo | 2021/11/01 13:00 | Liam Broady v Danilo Petrovic | 6-3,3-6,6-3 |
| Challenger Sibiu | 2021/09/27 10:20 | Vit Kopriva v Danilo Petrovic | 7-5,7-5 |
| Challenger Szczecin | 2021/09/14 10:00 | Danilo Petrovic v Alex Rybakov | 1-6,2-6 |
| Challenger Banja Luka | 2021/09/07 14:30 | Danilo Petrovic v Marko Topo | 6-4,6-7,2-6 |
| US Open | 2021/08/24 15:00 | Danilo Petrovic v Jurij Rodionov | 4-6,3-6 |
| ATP Hamburg | 2021/07/10 09:00 | Daniel Masur v Danilo Petrovic | 2-6,6-4,6-3 |
| Challenger Salzburg | 2021/07/08 09:00 | Danilo Petrovic v Pablo Cuevas | 1-6,4-6 |