Stadium: Court 03 Round: 25 Ground: Clay
| ITF M15 Novi Sad | 2021/08/05 14:20 | Matic Spec v Gorazd Srbljak | 4-6,2-6 |
| ITF M15 Novi Sad | 2021/07/28 09:35 | Matic Spec v Mariano Navone | 1-6,6-4,1-6 |
| ITF M15 Novi Sad | 2021/07/27 07:30 | Matic Spec v Koray Kirci | 6-3,7-5 |
| ITF M15 Novi Sad | 2021/07/25 12:00 | Matic Spec v Daniil Savelev | 6-1,6-3 |
| ITF M15 Prijedor | 2021/05/09 12:30 | Matic Spec v Luka Miklavcic | 3-6,6-3,8-10 |
| ITF M15 St Petersburg | 2021/04/17 09:45 | Matic Spec v Yanki Erel | 6-7,2-6 |
| ITF M15 St Petersburg | 2021/04/16 07:55 | Matic Spec v Alexey Zakharov | 6-2,6-4 |
| ITF M15 St Petersburg | 2021/04/15 07:00 | Jakub Paul v Matic Spec | 6-7,6-4,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 12:00 | Gorazd Srbljak v Lorenzo Vatteroni | 3-6,1-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 07:30 | Lorenzo Vatteroni v Stefanos Sakellaridis | 7-6,6-2 |
| ITF M15 Perugia | 2021/07/18 09:30 | Pietro Pampanin v Lorenzo Vatteroni | 6-3,6-2 |
| ITF M15 L'Aquila | 2021/07/11 07:00 | Alessandro Ingarao v Lorenzo Vatteroni | 6-4,6-0 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Simon A Ivanov v Lorenzo Vatteroni | 6-1,6-2 |
| ITF M15 Tbilisi | 2021/05/18 05:30 | Julian Cash v Lorenzo Vatteroni | 6-2,6-3 |
| ITF M15 Jeruzsálem | 2021/05/09 08:30 | Reese Stalder v Lorenzo Vatteroni | 6-2,6-2 |
| ITF M15 Ramat Hasharon | 2021/05/05 08:20 | Edan Leshem v Lorenzo Vatteroni | 6-1,6-2 |