| ITF - Ricany M25 | 2021/09/02 07:55 | Filip Duda v Marek Gengel | 3-6,3-6 |
| ITF M15 Piestany | 2019/05/10 14:50 | Marek Gengel v Filip Duda | 6-1,7-6 |
| ITF Czech Republic F7 | 2017/10/26 08:00 | Filip Duda v Marek Gengel | 6-7,6-3,7-6 |
| Challenger Forli | 2021/12/07 15:20 | Marek Gengel v Matteo Gigante | 2-6,6-3,2-6 |
| Challenger Manama | 2021/11/23 10:00 | Marek Gengel v Goncalo Oliveira | 4-6,4-6 |
| Challenger Manama | 2021/11/22 10:10 | Khumoyun Sultanov v Marek Gengel | 6-4,6-7,0-6 |
| Challenger Manama | 2021/11/21 12:00 | Arjun Kadhe v Marek Gengel | 6-4,4-6,3-6 |
| ITF - Sharm El Sheikh M15 | 2021/11/14 10:15 | Loic Cloes v Marek Gengel | 0-6,4-6 |
| ITF - Sharm El Sheikh M15 | 2021/11/14 07:00 | Marek Gengel v Daniel Little | 7-5,6-4 |
| ITF - Sharm El Sheikh M15 | 2021/11/12 08:00 | Sergei Pogosian v Marek Gengel | 2-6,1-6 |
| ITF - Sharm El Sheikh M15 | 2021/11/11 09:30 | Kelsey Stevenson v Marek Gengel | 3-6,3-6 |
| Czechy - Extraliga | 2021/12/15 10:15 | Lukas Rosol v Filip Duda | 7-6,7-6 |
| Czechy - Extraliga | 2021/12/14 11:40 | Filip Duda v Jan Satral | 7-6,4-6,6-7 |
| ITF - Ostrava M15 | 2021/11/25 09:00 | Michal Dembek v Filip Duda | 6-2,7-6 |
| ITF - Ostrava M15 | 2021/11/23 10:15 | Lukas Pokorny v Filip Duda | 6-4,6-7,3-6 |
| ITF - Opawa M15 | 2021/11/18 09:00 | Filip Duda v Henri Squire | 6-7,5-7 |
| ITF - Opawa M15 | 2021/11/17 12:10 | Jiri Barnat v Filip Duda | 6-3,3-6,2-6 |
| UTR Pro Tennis Series - Mulheim | 2021/10/13 11:30 | Filip Duda v Christian Hansen | 6-2,2-5 |
| UTR Pro Tennis Series - Mulheim | 2021/10/12 11:30 | Filip Duda v Tom Gentzsch | 6-4,5-2 |