Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2019/10/30 08:00 | Marek, Wojciech v Giovanni Fonio | 3-6,6-3,4-6 |
| ITF - M15 Sharm El Sheikh | 2019/10/24 09:35 | Karim-Mohamed Maamoun v Marek, Wojciech | 3-6,6-1,7-5 |
| ITF M25 Falun | 2019/10/04 14:30 | Niklas-Salminen, Patrick v Marek, Wojciech | 6-4,6-4 |
| ITF M25 Falun | 2019/10/03 13:55 | Marek, Wojciech v Bergevi, Filip | 6-3,6-4 |
| ITF M25 Falun | 2019/10/02 14:55 | Anton Matusevich v Marek, Wojciech | 1-6,6-3,3-6 |
| ITF M25 Falun | 2019/10/01 14:15 | Robin Thour v Marek, Wojciech | 2-6,1-6 |
| ITF M25 Falun | 2019/09/30 08:00 | Marek, Wojciech v Taylor, Sam | 6-3,6-4 |
| ITF M25 Falun | 2019/09/29 08:00 | Marek, Wojciech v Johan Claesson | 6-4,6-1 |
| ITF - M15 Monastir | 2020/01/10 10:00 | Lucas Catarina v Marek Gengel | 6-2,6-2 |
| ITF - M15 Monastir | 2020/01/09 10:00 | Fufygin, Mikhail v Marek Gengel | 5-7,1-6 |
| ITF - M15 Monastir | 2020/01/07 09:00 | Maxence Beauge v Marek Gengel | 6-3,5-7,2-6 |
| Czech Extraliga, Men | 2019/12/15 10:20 | Marek Gengel v Stakhovsky, Sergiy | 7-6,6-7,2-6 |
| Czech Extraliga, Men | 2019/12/14 10:50 | David Poljak v Marek Gengel | 5-7,3-6 |
| ITF - M15 Héraklion | 2019/11/28 08:00 | Alexandar Lazarov v Marek Gengel | 6-4,6-2 |
| ITF - M15 Héraklion | 2019/11/27 09:30 | Marek Gengel v Kalovelonis, Markos | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/11/23 08:00 | Alexey Zakharov v Marek Gengel | 6-3,7-6 |