Stadium: Court 21 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/10/18 12:00 | Vitek Horak v Gian Marco Ortenzi | 6-4,3-6,7-10 |
| ITF - M15 Antalya | 2021/10/17 07:00 | Andrej Duric v Vitek Horak | 0-6,1-6 |
| ITF - M15 Antalya | 2021/10/11 09:10 | Lambert Ruland v Vitek Horak | 4-6,6-2,10-8 |
| ITF - M15 Antalya | 2021/10/10 07:00 | Vitek Horak v Goran Zivotic | 6-4,6-4 |
| ITF - M25 Praag | 2021/10/03 13:00 | Milos Karol v Vitek Horak | 6-0,6-1 |
| ITF - M25 Pardubice | 2021/09/20 10:00 | Vitek Horak v Mark Havlicek | 6-7,3-6 |
| ITF - M25 Pardubice | 2021/09/19 10:00 | Radovan Michalik v Vitek Horak | 6-7,3-6 |
| ITF M25 - Říčany | 2021/08/30 10:00 | Stepan Baum v Vitek Horak | 6-4,6-2 |
| ITF - M15 Antalya | 2021/10/24 07:00 | Shunsuke Wakita v Antonin Bolardt | 2-6,3-6 |
| ITF - M15 Antalya | 2021/10/20 09:05 | Antonin Bolardt v Daniel Michalski | 3-6,2-6 |
| ITF - M15 Antalya | 2021/10/19 07:00 | Oscar Galimardanov v Antonin Bolardt | 2-6,3-6 |
| ITF - M15 Antalya | 2021/10/18 07:00 | Daniil Gusev v Antonin Bolardt | 0-6,0-6 |
| ITF - M15 Antalya | 2021/10/17 07:00 | Matias P D L Gomila v Antonin Bolardt | 4-6,6-3,7-10 |
| ITF - M15 Antalya | 2021/10/12 07:00 | Antonin Bolardt v Hasan Ibrahim | 1-6,4-6 |
| ITF - M15 Antalya | 2021/10/11 13:20 | Antonin Bolardt v Philipp Pavlenko | 6-2,6-3 |
| ITF - M25 Praag | 2021/10/05 09:15 | Antonin Bolardt v Max Hans Rehberg | 1-6,6-4,4-6 |