Stadium: Court 6 Round: 26 Ground: Clay
| ITF M25 Ricany | 2021/09/01 08:00 | Orlando Luz v Adam Pavlasek | 6-3,6-2 |
| Challenger Warsaw | 2021/08/25 08:00 | Evan Furness v Orlando Luz | 6-4,2-6,6-3 |
| Challenger Verona | 2021/08/17 16:25 | Orlando Luz v Dmitry Popko | 3-6,1-6 |
| Challenger San Marino | 2021/08/15 19:00 | Holger Rune v Orlando Luz | 1-6,6-2,6-3 |
| Challenger San Marino | 2021/08/14 19:10 | Hugo Dellien v Orlando Luz | 4-6,2-6 |
| Challenger San Marino | 2021/08/13 19:00 | Orlando Luz v Maxime Janvier | 7-6,7-5 |
| Challenger San Marino | 2021/08/12 14:30 | Blaz Rola v Orlando Luz | 6-4,4-6,2-6 |
| Challenger San Marino | 2021/08/09 12:45 | Orlando Luz v Nikolas Sanchez Izquierdo | 6-1,6-7,6-2 |
| ITF M25 Ricany | 2021/09/01 09:20 | Jiri Barnat v Martin Krumich | 2-6,3-6 |
| Challenger Prague | 2021/08/23 11:20 | Michael Geerts v Martin Krumich | 6-2,6-4 |
| ITF M25 Prostejov | 2021/08/18 08:00 | Martin Krumich v Nikolas Sanchez Izquierdo | 0-6,2-6 |
| ITF M25 Prostejov | 2021/08/17 09:15 | Martin Krumich v Daniel Siniakov | 3-6,6-4,7-5 |
| Challenger Prague | 2021/08/09 12:30 | Evan Furness v Martin Krumich | 4-6,6-4,6-3 |
| Challenger Liberec | 2021/08/01 12:30 | Evan Furness v Martin Krumich | 6-3,6-2 |
| ITF M25 Kottingbrunn | 2021/07/22 10:10 | Pavel Nejedly v Martin Krumich | 6-3,4-6,6-2 |
| ITF M25 Kottingbrunn | 2021/07/21 09:30 | Martin Krumich v Lukas Neumayer | 7-5,6-2 |