| ITF M25 Sharm El Sheikh | 04/10 13:05 | 25 | Marek Gengel v Kamil Majchrzak | 3-6,7-5,6-7 | |
| ITF M25 Sharm El Sheikh | 04/06 08:00 | 28 | Marek Gengel v Karim-Mohamed Maamoun | 3-6,4-6 | |
| ITF M25 Sharm El Sheikh | 04/05 08:00 | 27 | Millen Hurrion v Marek Gengel | 1-6,6-1,6-7 | |
| ITF M25 Sharm El Sheikh | 04/04 08:00 | 26 | Marek Gengel v Kris Van Wyk | 6-1,6-4 | |
| ITF M25 Sharm El Sheikh | 04/03 08:00 | 25 | Matt Hulme v Marek Gengel | 7-6,3-6,4-6 | |
| ITF M15 Sharm El Sheikh | 03/30 08:00 | 28 | Marek Gengel v Vadym Ursu | 7-5,1-6,4-6 | |
| ITF M15 Sharm El Sheikh | 03/29 08:00 | 27 | Marek Gengel v Lorenzo Lorusso | 6-2,6-1 | |
| ITF M15 Sharm El Sheikh | 03/28 10:55 | 26 | Marek Gengel v Ben Jones | 6-4,6-2 | |
| ITF M15 Sharm El Sheikh | 03/27 11:50 | 25 | Marek Gengel v Stijn Pel | 6-4,6-2 | |
| ITF M15 Sharm El Sheikh | 03/22 08:00 | 27 | Kris Van Wyk v Marek Gengel | 4-6,6-3,6-1 | |
| ITF M15 Sharm El Sheikh | 03/21 08:50 | 26 | Karim Ibrahim v Marek Gengel | 3-6,3-6 | |
| ITF M15 Sharm El Sheikh | 03/20 10:10 | 25 | Ali Habib v Marek Gengel | 6-7,2-6 |
Marek Gengel (born 17 September 1995) is a Czech tennis player.
Gengel has a career high ATP singles ranking of 256 achieved on 16 January 2023. He also has a career high doubles ranking of 148 achieved on 20 March 2023.
Gengel has won 1 ATP Challenger doubles title at the 2023 Nonthaburi Challenger with Adam Pavlásek.