Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF - M25 Budapesta | 2021/09/27 14:25 | Mark Havlicek v Horst Rieder | 6-4,6-2 |
| ITF - M25 Budapesta | 2021/09/26 11:00 | Mark Havlicek v Jakub Katuch | 6-2,6-4 |
| ITF - M25 Pardubice | 2021/09/23 07:30 | Mark Havlicek v Pavel Nejedly | 6-7,6-7 |
| ITF - M25 Pardubice | 2021/09/21 09:30 | Tim Handel v Mark Havlicek | 7-5,6-1 |
| ITF - M25 Pardubice | 2021/09/20 10:00 | Vitek Horak v Mark Havlicek | 6-7,3-6 |
| 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 Pardubice | 2021/09/23 11:15 | Milos Karol v Henri Squire | 1-6,1-6 |
| ITF - M15 Zilina | 2021/09/01 10:00 | Milos Karol v Martins Podzus | 3-6,6-4,1-6 |
| ITF - M15 Bratislava | 2021/08/16 10:30 | Tomas Lanik v Milos Karol | 4-6,7-5,12-10 |
| ITF - M25 Frankfurt am Main | 2021/08/11 10:40 | Milos Karol v Yshai Oliel | 4-6,2-6 |
| ITF - M25 Kottingbrunn | 2021/07/21 08:00 | Francisco Comesana v Milos Karol | 7-6,7-6 |
| ITF - M25 Kottingbrunn | 2021/07/20 07:55 | Pietro Mugelli v Milos Karol | 2-6,4-6 |
| ITF - M25 Kottingbrunn | 2021/07/19 07:55 | Milos Karol v Kris Krawcewicz | 6-4,6-4 |
| ITF - M25 Kottingbrunn | 2021/07/18 07:30 | Milos Karol v Stepan Mruzek | 6-3,6-4 |