Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Ulcinj | 2021/09/13 08:00 | Frane Nincevic v Stefano Reitano | 6-2,4-6,5-10 |
| ITF M15 Bratislava | 2021/08/19 07:55 | Jan Satral v Frane Nincevic | 6-1,6-1 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Frane Nincevic v Andrej Krajcik | 6-3,6-4 |
| ITF M15 Bratislava | 2021/08/16 10:30 | Frane Nincevic v Vitalii Shcherba | 6-2,7-5 |
| ITF M15 Novi Sad | 2021/08/01 09:30 | Frane Nincevic v Aleksandar Tomas | 6-4,3-6,6-10 |
| ITF M15 Doboj | 2021/07/15 08:00 | Peter Fajta v Frane Nincevic | 4-6,6-3,7-6 |
| ITF M15 Doboj | 2021/07/13 11:30 | Frane Nincevic v Christoffer Solberg | 6-2,7-6 |
| ITF M25 Velenje | 2021/07/06 08:00 | Frane Nincevic v Nemanja Malesevic | 4-6,6-1,5-10 |
| ITF M15 Ulcinj | 2021/09/20 13:30 | Rrezart Cungu v Giannicola Misasi | 6-4,6-0 |
| ITF M15 Ulcinj | 2021/09/20 08:00 | Rrezart Cungu v Tim Loosen | 6-4,6-2 |
| ITF M15 Ulcinj | 2021/09/17 09:00 | Rrezart Cungu v Mariano Navone | 6-7,6-7 |
| ITF M15 Ulcinj | 2021/09/16 09:50 | Rrezart Cungu v Karl Friberg | 6-1,6-3 |
| ITF M15 Ulcinj | 2021/09/15 11:05 | Alexandre Aubriot v Rrezart Cungu | 2-6,6-7 |
| ITF M15 Ulcinj | 2021/09/13 13:00 | Marcello Serafini v Rrezart Cungu | 7-5,1-6,6-10 |
| ITF M15 Ulcinj | 2021/09/09 10:10 | Rrezart Cungu v Edoardo Lavagno | 4-6,1-6 |
| ITF M15 Ulcinj | 2021/09/08 11:00 | Gorazd Srbljak v Rrezart Cungu | 4-6,1-6 |