Stadium: Court 2 Round: 44 Ground: Clay
| ITF M15 Doboj | 2021/07/11 08:15 | Rrezart Cungu v Lazar Vojinovic | 6-3,6-3 |
| ITF M25 Belgrade | 2021/07/01 09:20 | Rrezart Cungu v Nick Hardt | 0-6,6-1,2-6 |
| ITF M25 Belgrade | 2021/06/30 10:05 | Dusan Milanovic v Rrezart Cungu | 2-6,5-7 |
| ITF M25 Belgrade | 2021/06/29 09:15 | Rrezart Cungu v Viktor Jovic | 6-1,6-1 |
| ITF M25 Belgrade | 2021/06/28 10:00 | Stefan Palosi v Rrezart Cungu | 7-6,4-6,8-10 |
| ITF M25 Belgrade | 2021/06/27 13:00 | Rrezart Cungu v Andreja Petrovic | 6-4,6-3 |
| Davis Cup | 2021/06/26 09:00 | Rrezart Cungu v Michael Avetisyan | 6-1,6-0 |
| Davis Cup | 2021/06/24 09:30 | Rrezart Cungu v Tamerlan Azizov | 6-1,6-1 |
| ITF M15 Doboj | 2021/07/11 11:00 | Pavle Daljev v Lukas Pokorny | 5-7,2-6 |
| ITF M15 Poprad | 2021/07/04 11:00 | Lukas Pokorny v Daniel Siniakov | 6-2,4-6,5-10 |
| ITF M25 Wroclaw | 2021/06/28 13:00 | Lukas Pokorny v Carl Soderlund | 5-7,4-6 |
| ITF M25 Wroclaw | 2021/06/27 15:30 | Alan Bojarski v Lukas Pokorny | 2-6,2-6 |
| Challenger Bratislava | 2021/06/06 14:00 | Duje Ajdukovic v Lukas Pokorny | 6-1,7-6 |
| ITF M25 Most | 2021/05/23 08:00 | Niklas Rohrer v Lukas Pokorny | 7-6,6-3 |
| ITF M15 Antalya | 2021/05/09 07:00 | Gabriele Piraino v Lukas Pokorny | 4-6,6-2,10-7 |
| ITF M15 Sharm El Sheikh | 2021/04/07 08:30 | David Poljak v Lukas Pokorny | 6-3,6-3 |