Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2019/11/17 10:30 | Tadija Radovanovic v Diego F Flores | 2-6,4-6 |
| ITF M15 Zlatibor | 2019/09/15 06:30 | Tadija Radovanovic v Keisidis, Christos | 2-6,1-6 |
| Schlieren, Singles M-ITF-SUI-02A | 2019/08/19 08:00 | Hoeijmans, Luc v Tadija Radovanovic | 7-6,6-3 |
| ITF M15 Oldenzaal | 2019/08/12 07:30 | Riedel, Tim v Tadija Radovanovic | 7-6,7-5 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/06 08:00 | Yvo Panak v Tadija Radovanovic | 6-7,6-2,10-4 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/05 08:00 | Schager, Alexander v Tadija Radovanovic | 7-5,2-6,3-10 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/28 13:05 | Dusan Obradovic v Tadija Radovanovic | 6-4,6-4 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/27 11:00 | Tadija Radovanovic v Banicevic, Igor | 6-3,6-1 |
| ITF - M15 Monastir | 2019/11/24 08:30 | Inserra, Nicolo v Dermiens, Guillaume | 2-6,3-6 |
| ITF - M15 Monastir | 2019/11/20 13:20 | Geens, Clement v Dermiens, Guillaume | 6-0,6-0 |
| ITF - M15 Monastir | 2019/11/18 13:30 | Miles Jones v Dermiens, Guillaume | 3-6,5-7 |
| ITF - M15 Monastir | 2019/11/18 08:00 | Ben Fraj, Skander v Dermiens, Guillaume | 2-6,2-6 |
| ITF - M15 Monastir | 2019/11/17 10:00 | Dermiens, Guillaume v Sergei Pogosian | 6-2,6-3 |
| ITF M15 Getafe Madrid | 2019/10/14 07:30 | Clement Chidekh v Dermiens, Guillaume | 4-6,6-3,10-5 |
| ITF M15 Getafe Madrid | 2019/10/13 08:45 | Dermiens, Guillaume v Berg, Conor | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2019/10/02 08:00 | Dermiens, Guillaume v Vitaliy Sachko | 3-6,2-6 |