Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Pirot | 2021/09/21 13:50 | Aleksandar Tomas v Stefan Vujic | 1-6,6-3,13-11 |
| ITF M15 Pirot | 2021/09/20 09:30 | Stefan Vujic v Shunsuke Wakita | 7-6,7-6 |
| ITF M15 Zlatibor | 2021/09/16 08:00 | Gergely Madarasz v Stefan Vujic | 6-2,6-4 |
| ITF M15 Zlatibor | 2021/09/15 08:00 | Stefan Vujic v Luka Pavlovic | 6-4,6-3 |
| ITF M15 Ulcinj | 2021/09/05 07:30 | Lautaro Agustin Falabella v Stefan Vujic | 6-2,7-6 |
| ITF M15 Ulcinj | 2021/08/30 07:30 | Dusan Obradovic v Stefan Vujic | 3-6,6-3,10-7 |
| ITF M15 Monastir | 2021/08/02 07:30 | Stefan Vujic v Matthew Dellavedova | 7-5,3-6,8-10 |
| ITF M15 Monastir | 2021/08/01 09:00 | Stefan Vujic v Mattias Southcombe | 7-5,2-6,10-7 |
| ITF M25 Pretoria | 2021/09/28 07:00 | Menelaos Efstathiou v Tadija Radovanovic | 6-2,6-1 |
| ITF M25 Pretoria | 2021/09/27 08:40 | Tadija Radovanovic v Leonardo Taddia | 6-2,6-3 |
| ITF M25 Pretoria | 2021/09/26 07:00 | Tadija Radovanovic v Rico Gore | 6-2,6-0 |
| ITF M25 Johannesburg | 2021/09/20 08:15 | Tadija Radovanovic v Sahar Simon | 2-6,2-6 |
| ITF M25 Johannesburg Qual | 2021/09/19 07:00 | Tom Saporta v Tadija Radovanovic | 4-6,5-7 |
| ITF M25 Johannesburg | 2021/09/13 13:25 | Dylan Salton v Tadija Radovanovic | 6-3,6-4 |
| ITF M25 Johannesburg | 2021/09/13 07:30 | Tadija Radovanovic v Boitshepo Maake | 6-1,6-3 |
| ITF M25 Johannesburg | 2021/09/12 09:00 | Tadija Radovanovic v Tom Saporta | 6-3,3-6,10-4 |