Stadium: Court 1 Round: 26 Ground: Clay
| ITF M25 Kottingbrunn | 2021/07/20 11:10 | Pavel Nejedly v Philip Bachmaier | 6-4,7-6 |
| ITF M25 Telfs | 2021/07/14 16:00 | Lukas Neumayer v Pavel Nejedly | 2-6,6-4,6-1 |
| ITF M25 Velenje | 2021/07/08 09:25 | Cristian Rodriguez v Pavel Nejedly | 6-3,6-3 |
| ITF M25 Velenje | 2021/07/07 12:25 | Pavel Nejedly v Alessandro Bellifemine | 6-3,7-5 |
| ITF M15 Bergamo | 2021/06/22 16:45 | Matteo Arnaldi v Pavel Nejedly | 6-3,7-6 |
| Challenger Prostejov | 2021/06/14 08:30 | Alexander Erler v Pavel Nejedly | 7-5,6-3 |
| ITF M25 Most | 2021/05/27 07:55 | Pavel Nejedly v Dalibor Svrcina | 2-6,1-6 |
| ITF M25 Most | 2021/05/26 08:00 | Filip Duda v Pavel Nejedly | 4-6,2-6 |
| ITF M25 Kottingbrunn | 2021/07/21 09:30 | Martin Krumich v Lukas Neumayer | 7-5,6-2 |
| ITF M25 Kottingbrunn | 2021/07/20 08:00 | Martin Krumich v Lukas Palovic | 7-5,6-2 |
| ITF M25 Kottingbrunn | 2021/07/19 11:05 | Martin Krumich v Francisco T Geschwind | 6-1,6-3 |
| ITF M15 Doboj | 2021/07/17 11:15 | Martin Krumich v Peter Fajta | 2-6,3-6 |
| ITF M15 Doboj | 2021/07/16 11:15 | Gergely Madarasz v Martin Krumich | 2-6,7-5,1-6 |
| ITF M15 Doboj | 2021/07/15 11:55 | Martin Krumich v Fabian Marozsan | 2-6,6-4,7-6 |
| ITF M15 Doboj | 2021/07/13 12:30 | Zsombor Velcz v Martin Krumich | 6-3,4-6,6-7 |
| ITF M15 Poprad | 2021/07/04 11:00 | Martin Krumich v Tomas Lanik | 3-6,3-6 |