| UTR Pro Tennis Series Zadar | 2021/11/21 10:30 | Deni Zmak v Domagoj Biljesko | 5-7,2-5 |
| UTR Pro Tennis Series Zadar | 2021/11/20 10:30 | Deni Zmak v Alen Rogic-Hadzalic | 4-6,6-3,5-1 |
| UTR Pro Tennis Series Zadar | 2021/11/19 09:00 | Deni Zmak v Christos Keisidis | 6-1,6-0 |
| UTR Pro Tennis Series Zadar | 2021/11/18 12:00 | Deni Zmak v Alexander Lazov | 6-3,6-7,5-3 |
| UTR Pro Tennis Series Zadar | 2021/11/16 13:00 | Deni Zmak v Graham Maassen | 4-6,6-1,6-2 |
| UTR Pro Tennis Series Zadar | 2021/11/15 09:00 | Jose A R Rodriguez v Deni Zmak | 1-6,1-5 |
| UTR Pro Tennis Series Copenhagen | 2021/10/23 08:30 | Simon Friis Soendergaard v Deni Zmak | 5-7,1-6 |
| UTR Pro Tennis Series Copenhagen | 2021/10/21 07:00 | Deni Zmak v Albert P Hansen | 6-1,6-1 |
| ITF M15 Antalya | 2021/11/18 08:15 | Yanki Erel v Peter Nagy | 6-1,6-4 |
| ITF M15 Antalya | 2021/11/17 08:05 | Marsel Ilhan v Peter Nagy | 3-6,2-6 |
| ITF M15 Antalya | 2021/11/11 06:30 | Peter Nagy v Nicholas David Ionel | 2-6,2-6 |
| ITF M15 Antalya | 2021/11/10 06:30 | Peter Nagy v Nikita Kashirin | 6-4,6-4 |
| ITF M15 Antalya | 2021/10/27 06:55 | Oscar Galimardanov v Peter Nagy | 6-0,6-3 |
| ITF M15 Antalya | 2021/10/20 07:00 | Peter Nagy v Juan Pablo Paz | 3-6,3-6 |
| ITF M25 Budapest | 2021/09/30 09:00 | Peter Nagy v Federico Iannaccone | 6-7,0-6 |
| ITF M25 Budapest | 2021/09/29 09:55 | Peter Nagy v Frane Nincevic | 6-0,6-1 |