Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Novi Sad | 2021/08/01 08:30 | Tadija Radovanovic v Alan Postay | 2-6,2-6 |
| ITF M15 Novi Sad | 2021/07/25 12:00 | Rrezart Cungu v Tadija Radovanovic | 7-6,6-3 |
| ITF M15 Doboj | 2021/07/11 12:30 | Petar Jovanovic v Tadija Radovanovic | 6-3,6-2 |
| ITF M25 Velenje | 2021/07/05 09:00 | Domagoj Biljesko v Tadija Radovanovic | 6-4,4-6,11-9 |
| ITF M25 Velenje | 2021/07/04 07:30 | Drazen Petrovic v Tadija Radovanovic | 4-6,3-6 |
| ITF M25 Belgrade | 2021/06/28 07:00 | George Botezan v Tadija Radovanovic | 7-6,6-2 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Tadija Radovanovic v Milos Vukovic | 6-7,6-4,10-8 |
| ITF M15 Skopje | 2021/06/07 10:00 | Tomas Jirousek v Tadija Radovanovic | 6-2,6-4 |
| ITF M15 Castelo Branco | 2021/07/27 08:30 | Sahar Simon v Raphael Lambling | 3-6,6-3,9-11 |
| ITF M15 Castelo Branco | 2021/07/26 11:00 | Sahar Simon v Osgar O'Hoisin | 4-6,6-4,10-6 |
| ITF M15 Castelo Branco | 2021/07/25 08:30 | Sahar Simon v Victor Bini | 6-3,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/19 08:55 | Sahar Simon v Ben Jones | 4-6,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 10:30 | Joao Graca v Sahar Simon | 4-6,6-3,7-10 |
| ITF M15 Heraklion | 2021/06/08 06:30 | Giles Hussey v Sahar Simon | 6-3,6-1 |
| ITF M15 Heraklion | 2021/06/07 09:00 | Sahar Simon v Pol Wattanakul | 7-5,6-1 |
| ITF M15 Heraklion | 2021/06/06 11:00 | Fred Olivier Schommer v Sahar Simon | 1-6,1-6 |