Round: 44 Ground: Clay
| ITF M15 Opatija | 2021/03/22 11:45 | Tadija Radovanovic v Domagoj Biljesko | 6-7,1-6 |
| ITF M15 Porec | 2021/03/07 11:00 | Paul Valsecchi v Tadija Radovanovic | 6-7,6-3,11-9 |
| Adriatic Tennis Series | 2020/06/08 14:53 | Tadija Radovanovic v Carlos Gomez-Herrera | 4-6,4-5 |
| Adriatic Tennis Series | 2020/06/08 12:20 | Tadija Radovanovic v Carlos Gomez-Herrera | 4-6,4-6 |
| ITF M15 Oberhaching | 2020/02/16 12:30 | Jakob Aichhorn v Tadija Radovanovic | 6-2,6-2 |
| ITF M15 Oberhaching | 2020/02/16 08:00 | Tadija Radovanovic v Dominique Graf | 6-4,6-7,10-8 |
| ITF M15 Monastir | 2019/12/01 08:00 | Tadija Radovanovic v Pietro Pirolt | 7-6,6-7,11-13 |
| ITF M15 Monastir | 2019/11/25 08:00 | Tadija Radovanovic v Guillaume Dermiens | 4-6,2-6 |
| ITF M15 Sibenik | 2021/04/21 08:00 | Tim Heger v Marco Miceli | 3-6,4-6 |
| ITF M15 Sibenik | 2021/04/20 10:05 | George Botezan v Tim Heger | 6-3,4-6,9-11 |
| ITF M15 Sibenik | 2021/04/19 14:30 | Borna Devald v Tim Heger | 3-6,2-6 |
| ITF M15 Opatija | 2021/03/21 11:00 | Ivan Karlo Ban v Tim Heger | 6-3,2-6,10-8 |
| ITF M15 Rovinj | 2021/03/15 09:30 | Tim Heger v Frane Nincevic | 6-7,4-6 |
| ITF M15 Porec | 2021/03/07 14:30 | Tim Heger v Emilien Voisin | 6-1,4-6,7-10 |
| ITF M15 Monastir | 2020/10/26 08:30 | Alexandros Skorilas v Tim Heger | 6-3,3-6,10-6 |
| ITF M15 Monastir | 2020/10/22 11:10 | Jean Thirouin v Tim Heger | 6-7,6-3,7-5 |