Estádio: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Novi Sad | 2021/08/04 08:00 | Mate Valkusz v Milan Drinic | 6-4,6-3 |
| ITF - M15 Novi Sad | 2021/08/03 08:00 | Eric Morris v Milan Drinic | 1-6,2-6 |
| ITF - M15 Novi Sad | 2021/08/02 08:00 | Berk Ilkel v Milan Drinic | 2-6,1-6 |
| ITF - M15 Novi Sad | 2021/07/25 07:00 | Milan Drinic v Franco Roncadelli | 5-7,3-6 |
| ITF - M15 Monastir | 2021/04/11 12:00 | Youcef Rihane v Milan Drinic | 7-6,6-2 |
| ITF - M15 Monastir | 2021/02/28 10:30 | Luigi Castelletti v Milan Drinic | 4-6,0-6 |
| ITF - M15 Monastir | 2021/02/21 12:00 | Milan Drinic v Niklas Guttau | 4-6,4-6 |
| ITF - M15 Cairo | 2021/01/11 09:00 | Milan Drinic v Marco Brugnerotto | 6-4,1-6,7-10 |
| ITF - M15 Cazã | 2021/11/26 08:50 | Boris Butulija v Alexander Zgirovsky | 2-6,4-6 |
| ITF - M15 Cazã | 2021/11/25 08:35 | Pavel Verbin v Boris Butulija | 4-6,6-4,6-7 |
| ITF - M15 Cazã | 2021/11/24 11:40 | Boris Butulija v Petr Kapuskin | 4-6,6-4,6-4 |
| ITF - M15 Opava | 2021/11/18 11:55 | Boris Butulija v Milos Karol | 4-6,6-4,3-6 |
| ITF - M15 Opava | 2021/11/16 09:00 | Boris Butulija v Peter Benjamin Privara | 6-2,6-4 |
| ITF - M15 Opava | 2021/11/15 09:00 | Boris Butulija v Stepan Pecak | 6-2,6-4 |
| ITF - M15 Opava | 2021/11/14 09:00 | Boris Butulija v Dawid Taczala | 6-2,6-2 |
| ITF - M15 Heraklion | 2021/11/02 08:30 | Boris Butulija v Hazem Naw | 1-6,2-6 |