Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/07/25 07:00 | Milan Drinic v Franco Roncadelli | 5-7,3-6 |
| ITF M15 Sofia | 2021/07/05 11:30 | Leonid Sheyngezikht v Franco Roncadelli | 6-2,6-2 |
| ITF M15 Sofia | 2021/07/05 07:00 | Franco Roncadelli v Nikola Kolyachev | 6-4,6-1 |
| ITF M15 Sofia | 2021/07/04 07:30 | Franco Roncadelli v Alessandro Procopio | 6-2,6-3 |
| ITF M15 Antalya | 2021/06/28 09:25 | Francisco Llanes v Franco Roncadelli | 3-6,7-5,10-7 |
| ITF M15 Antalya | 2021/06/20 07:00 | Pawel Juszczak v Franco Roncadelli | 6-2,6-3 |
| ITF M15 Antalya | 2021/06/13 07:30 | Mircea-Alexandru Jecan v Franco Roncadelli | 6-4,6-2 |
| ITF M15 Antalya | 2021/06/10 10:30 | Franco Roncadelli v Damien Wenger | 1-6,0-6 |
| ITF M15 Novi Sad | 2021/07/25 09:30 | Lazar Milicevic v Domagoj Biljesko | 6-2,6-3 |
| ITF M25 Belgrade | 2021/06/30 14:05 | Lazar Milicevic v Mirko Martinez | 5-7,7-5,2-6 |
| ITF M15 Skopje | 2021/05/31 08:00 | Niels Visker v Lazar Milicevic | 6-7,6-3,12-10 |
| ITF M15 Skopje | 2021/05/30 07:00 | Lazar Milicevic v Strahinja Rakic | 5-7,6-0,10-4 |
| ITF M15 Brcko | 2021/05/21 09:25 | Matheus P De Almeida v Lazar Milicevic | 7-5,7-5 |
| ITF M15 Brcko | 2021/05/18 12:00 | Lazar Milicevic v Dusan Rajic | 7-6,6-4 |
| ITF M15 Brcko | 2021/05/18 07:00 | Yann Wojcik v Lazar Milicevic | 4-6,4-6 |
| ITF M15 Prijedor | 2021/05/11 08:00 | Kristijan Juhas v Lazar Milicevic | 6-3,6-0 |