| UTR Pro Tennis Series - Dubai | 2022/01/03 07:30 | Marek Gengel v Filip Duda | 6-1,6-0 |
| Challenger - Forlì | 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 - M15 Sharm El Sheikh | 2021/11/14 10:15 | Loic Cloes v Marek Gengel | 0-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/11/14 07:00 | Marek Gengel v Daniel Little | 7-5,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/11/12 08:00 | Sergei Pogosian v Marek Gengel | 2-6,1-6 |
| UTR Pro Tennis Series - Dubai | 2022/01/03 07:30 | Michiel de Krom v Marsel Ilhan | 2-6,6-3,3-6 |
| UTR Pro Tennis Series - Amesterdão | 2021/12/12 07:00 | Tim Sandkaulen v Michiel de Krom | 2-6,6-4,6-4 |
| UTR Pro Tennis Series - Amesterdão | 2021/12/11 11:30 | Amadatus Admiraal v Michiel de Krom | 3-6,4-5 |
| UTR Pro Tennis Series - Amesterdão | 2021/12/10 08:30 | Michiel de Krom v Max Van Nunen | 6-1,6-1 |
| UTR Pro Tennis Series - Amesterdão | 2021/12/08 10:00 | Michiel de Krom v Guy Den Heijer | 3-6,3-5 |
| UTR Pro Tennis Series - Amesterdão | 2021/12/07 08:30 | Michiel de Krom v Rob Van Den Berg | 5-7,6-3,5-2 |
| UTR Pro Tennis Series - Amesterdão | 2021/12/06 07:00 | Jip Van Assendelft v Michiel de Krom | 2-6,6-2,1-6 |
| Barcelona - UTR Pro Tennis Series - Feminino | 2021/11/28 09:30 | Michiel de Krom v Vlad Cristian Breazu | 6-1,4-6,6-1 |