Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| 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 Sarajevo | 2021/05/31 08:00 | Tadija Radovanovic v Stevan Popovic | 6-3,5-7,9-11 |
| ITF M25 Kiseljak | 2021/05/24 11:00 | Tadija Radovanovic v Goran Zivotic | 3-6,6-4,3-10 |
| ITF M15 Prijedor | 2021/05/09 12:30 | Tadija Radovanovic v Tim Heger | 3-6,3-6 |
| 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 |
| ITF M15 Heraklion | 2021/06/01 06:30 | Federico Arnaboldi v Sahar Simon | 7-6,6-2 |
| ITF M15 Heraklion | 2021/05/30 06:30 | Dorian Kos v Sahar Simon | 0-6,0-6 |
| ITF M15 Jerusalem | 2021/05/13 10:00 | Edan Leshem v Sahar Simon | 6-4,6-2 |
| ITF M15 Jerusalem | 2021/05/12 10:05 | Alexander Gaponenko v Sahar Simon | 2-6,3-6 |
| ITF M15 Jerusalem | 2021/05/11 06:30 | Sahar Simon v Scott Duncan | 6-3,6-2 |