Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M25 Pardubice | 2021/09/22 07:55 | Vojtech Vlkovsky v Martins Podzus | 3-6,2-6 |
| ITF M25 Madrid | 2021/09/13 09:00 | Nikolas Sanchez Izquierdo v Vojtech Vlkovsky | 6-4,6-4 |
| ITF M25 Madrid | 2021/09/12 13:00 | Inaki Cabrera Bello v Vojtech Vlkovsky | 3-6,0-6 |
| ITF M15 Bad Waltersdorf | 2021/08/30 07:00 | Vojtech Vlkovsky v Hasan Ibrahim | 5-7,6-2,10-12 |
| ITF M25 Poznan | 2021/08/22 08:00 | Harry Wendelken v Vojtech Vlkovsky | 6-3,6-4 |
| ITF M25 Prostejov | 2021/08/15 09:00 | Vojtech Vlkovsky v Ondrej Valek | 6-4,4-6,9-11 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Roman Andres Burruchaga v Vojtech Vlkovsky | 6-4,6-1 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/04 16:45 | Vojtech Vlkovsky v Maciej Rajski | 0-6,3-6 |
| ITF M25 Prague | 2021/10/03 11:30 | Lukas Velik v Mark Havlicek | 4-6,6-3,10-7 |
| ITF M25 Budapest | 2021/09/29 07:25 | Mark Havlicek v Milos Karol | 2-6,7-6,4-6 |
| ITF M25 Budapest | 2021/09/27 14:25 | Mark Havlicek v Horst Rieder | 6-4,6-2 |
| ITF M25 Budapest | 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 |