Stadium: Court 04 Round: 25 Ground: Clay
| ITF M15 Ostrava | 2021/11/21 12:00 | Dominik Recek v Stepan Mruzek | 6-1,6-0 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Milos Karol v Stepan Mruzek | 6-3,6-4 |
| ITF M25 Most | 2021/05/25 09:35 | Filip Duda v Stepan Mruzek | 2-6,6-4,10-5 |
| ITF M25 Most | 2021/05/24 09:00 | Stepan Mruzek v Vojtech Vlkovsky | 7-6,6-2 |
| ITF M15 Sozopol | 2021/10/14 08:30 | Sarp Agabigun v Tommaso Compagnucci | 7-5,3-6,11-9 |
| ITF M15 Sozopol | 2021/10/13 09:00 | Tommaso Compagnucci v Berk Ilkel | 6-7,5-7 |
| ITF M15 Sozopol | 2021/10/11 09:00 | Tommaso Compagnucci v Martin Dimitrov | 6-4,6-2 |
| ITF M15 Sozopol | 2021/10/10 10:30 | Tommaso Compagnucci v S Mert Ozdemir | 6-2,7-5 |
| ITF M15 Vyshkovo | 2021/09/25 08:00 | Ivan Nedelko v Tommaso Compagnucci | 6-2,6-7,6-4 |
| ITF M15 Vyshkovo | 2021/09/24 10:00 | Tommaso Compagnucci v Aleksandr Braynin | 3-6,7-5,6-1 |
| ITF M15 Vyshkovo | 2021/09/21 07:00 | Yan Bondarevskiy v Tommaso Compagnucci | 2-6,7-6,5-7 |
| ITF M15 Sozopol | 2021/09/17 06:55 | Martin Krumich v Tommaso Compagnucci | 6-2,6-4 |