Stadium: Court 20 Round: 62 Ground: Clay
| ITF M25 Budapest | 2021/09/26 08:00 | Nicolas Parizzia v Radovan Michalik | 6-1,7-5 |
| ITF M25 Pardubice | 2021/09/19 10:00 | Radovan Michalik v Vitek Horak | 6-7,3-6 |
| ITF M15 Zilina | 2021/08/31 07:30 | Kristof Minarik v Radovan Michalik | 6-2,6-2 |
| ITF M15 Zilina | 2021/08/30 07:30 | Radovan Michalik v Eric Morris | 7-6,4-6,10-6 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Jiri Barnat v Radovan Michalik | 7-5,6-0 |
| ITF M15 Poprad | 2021/07/04 08:00 | Timo Stodder v Radovan Michalik | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/08 15:00 | Jakub Kroslak v Radovan Michalik | 6-1,1-6,10-7 |
| ITF M15 Bratislava | 2021/03/01 12:00 | Radovan Michalik v Michal Mikula | 2-6,1-6 |
| ITF M15 Antalya | 2021/10/10 07:00 | Lambert Ruland v Adrian Mateo Bejenaru | 6-3,7-5 |
| ITF M15 Sozopol | 2021/09/13 08:00 | Samuil Konov v Adrian Mateo Bejenaru | 6-4,6-4 |
| ITF M25 Bacau | 2021/08/17 08:30 | Bogdan Borza v Adrian Mateo Bejenaru | 4-6,6-1,11-9 |
| ITF M15 Curtea de Arges | 2021/08/09 09:00 | Dan Alexandru Tomescu v Adrian Mateo Bejenaru | 6-2,6-0 |
| ITF M25 Pitesti | 2021/08/01 13:30 | Adrian Mateo Bejenaru v Vladimir Filip | 6-1,5-7,10-12 |
| ITF M15 Antalya | 2021/06/27 06:30 | Andrea Del Federico v Adrian Mateo Bejenaru | 6-4,6-4 |
| ITF M15 Antalya | 2021/06/20 07:00 | Adrian Mateo Bejenaru v Mert Naci Turker | 4-6,2-6 |
| ITF M15 Bucharest | 2021/05/24 09:30 | Adrian Mateo Bejenaru v Petru-Alexandru Luncanu | 6-3,1-6,4-10 |