Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Prague | 2021/10/08 09:00 | Khumoyun Sultanov v Marek Gengel | 3-6,6-3,6-4 |
| ITF M25 Prague | 2021/10/07 10:15 | Jakub Paul v Marek Gengel | 2-6,4-6 |
| ITF M25 Prague | 2021/10/06 12:10 | Martin Krumich v Marek Gengel | 7-5,5-7,4-6 |
| Challenger Orleans | 2021/09/26 12:50 | Maxime Janvier v Marek Gengel | 6-2,7-5 |
| Challenger Biel | 2021/09/19 12:40 | Alexander Shevchenko v Marek Gengel | 6-3,6-3 |
| Challenger Rennes | 2021/09/12 08:00 | Kenny de Schepper v Marek Gengel | 6-4,6-1 |
| Challenger Tulln | 2021/09/05 10:25 | Mate Valkusz v Marek Gengel | 6-0,6-1 |
| ITF M25 Ricany | 2021/09/03 08:25 | Marek Gengel v Yshai Oliel | 3-6,6-4,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/07 10:00 | Romain Faucon v Erik Arutiunian | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/10/06 12:30 | Michal Mikula v Romain Faucon | 1-6,4-6 |
| ITF M15 Vyshkovo | 2021/09/23 10:00 | Ivan Nedelko v Romain Faucon | 6-3,7-6 |
| ITF M15 Vyshkovo | 2021/09/22 11:00 | Romain Faucon v Janos Fekete | 3-6,6-4,6-3 |
| ITF M25 Eupen | 2021/09/10 08:00 | Arthur Fery v Romain Faucon | 7-6,6-2 |
| ITF M25 Eupen | 2021/09/09 09:00 | Romain Faucon v Guy Den Heijer | 6-4,6-4 |
| ITF M25 Eupen | 2021/09/08 14:00 | Rayane Oumaouche v Romain Faucon | 3-6,2-6 |
| ITF M25 Eupen | 2021/09/07 07:30 | Thomas Deschamps v Romain Faucon | 6-2,3-6,6-10 |