Stadium: Court 4 Round: 54 Ground: Hardcourt indoor
| ITF - St Petersburg M15 | 2021/02/08 11:05 | Semen Voronin v Aliaksandr Prudnikau | 4-6,0-6 |
| ITF - St Petersburg M15 - Kwalifikacje | 2021/02/07 15:55 | Shalva Dzhanashia v Semen Voronin | 7-6,2-6,6-10 |
| ITF - Opatija M15 | 2021/03/24 12:45 | Matic Spec v Pavel Nejedly | 6-1,5-7,3-6 |
| ITF - Opatija M15 | 2021/03/23 09:00 | Matic Spec v Domagoj Biljesko | 7-5,6-2 |
| ITF - Opatija M15 | 2021/03/22 11:55 | Matic Spec v Lucas Bouquet | 6-1,6-1 |
| ITF - Opatija M15 | 2021/03/21 11:00 | Matic Spec v Federico Marchetti | 7-5,6-0 |
| ITF - Rovinj M15 | 2021/03/14 08:30 | Matic Spec v Duje Kekez | 3-6,4-6 |
| ITF - Sharm El Sheikh M15 | 2021/03/03 13:50 | Roman Andres Burruchaga v Matic Spec | 6-2,6-2 |
| ITF - Sharm El Sheikh M15 | 2021/03/02 07:30 | Matic Spec v Francesco Passaro | 6-7,6-3,11-9 |
| ITF - Sharm El Sheikh M15 | 2021/03/01 13:00 | Matic Spec v Noel Larwig | 6-3,6-2 |