Stadium: Court 4 Round: 62 Ground: Clay
| ITF M25 Pardubice | 2021/09/19 10:00 | Radovan Michalik v Vitek Horak | 6-7,3-6 |
| ITF M25 Ricany | 2021/08/30 10:00 | Stepan Baum v Vitek Horak | 6-4,6-2 |
| ITF M25 Most | 2021/05/23 08:00 | Adam Januska v Vitek Horak | 6-3,6-4 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 08:30 | Jean Thirouin v Vitek Horak | 7-5,6-0 |
| ITF M15 Milovice | 2019/11/11 12:00 | Petr Michnev v Vitek Horak | 6-2,6-4 |
| ITF M15 Opava | 2019/10/28 13:00 | Mattia Bellucci v Vitek Horak | 6-2,6-4 |
| ITF M15 Liberec | 2019/10/22 09:45 | Vitek Horak v Domagoj Biljesko | 2-6,4-6 |
| ITF M15 Liberec | 2019/10/21 11:00 | Jonathan Binding v Vitek Horak | 6-7,4-6 |
| ITF M25 Ricany | 2021/08/31 08:00 | Jonas Forejtek v Mark Havlicek | 6-2,6-1 |
| ITF M25 Ricany | 2021/08/30 10:00 | Mark Havlicek v Caspar Schuetze | 6-1,6-2 |
| ITF M25 Prostejov | 2021/08/18 09:15 | Zsombor Piros v Mark Havlicek | 6-3,6-2 |
| ITF M25 Prostejov | 2021/08/17 12:15 | Mark Havlicek v Simon Malis | 6-1,6-2 |
| ITF M25 Prostejov | 2021/08/16 07:55 | Mark Havlicek v Jan Jermar | 6-1,6-0 |
| ITF M25 Prostejov | 2021/08/15 09:00 | Timur Mukhtarulin v Mark Havlicek | 3-6,2-6 |
| ITF M25 Most | 2021/05/24 09:00 | Antonin Bolardt v Mark Havlicek | 6-2,6-2 |
| ITF M25 Most | 2021/05/23 14:00 | Tomas Papik v Mark Havlicek | 3-6,3-6 |