Stadium: Court 9 Round: 25 Ground: Clay
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 15:15 | Philip Bachmaier v Roman Postolka | 6-2,6-3 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 11:40 | Philip Bachmaier v Karol Filar | 6-2,6-3 |
| ITF M25 Kottingbrunn | 2021/07/20 11:10 | Pavel Nejedly v Philip Bachmaier | 6-4,7-6 |
| ITF M25 Telfs | 2021/07/16 10:50 | Gerald Melzer v Philip Bachmaier | 6-0,6-2 |
| ITF M25 Telfs | 2021/07/14 14:00 | Daniil Glinka v Philip Bachmaier | 4-6,3-6 |
| ITF M25 Telfs | 2021/07/13 07:30 | Peter Goldsteiner v Philip Bachmaier | 6-0,3-6,4-10 |
| ITF M15 Bratislava | 2021/03/01 09:00 | Daniel Siniakov v Philip Bachmaier | 6-2,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/21 07:00 | Philip Bachmaier v Matic Spec | 1-6,4-6 |
| ITF M15 Castelo Branco | 2021/07/29 13:15 | Marek Gengel v Daniel Batista | 4-6,6-3,3-6 |
| ITF M15 Castelo Branco | 2021/07/28 08:30 | Marek Gengel v Ray Ho | 6-2,2-6,6-3 |
| ITF M25 Idanha-A-Nova | 2021/07/22 11:45 | Clement Chidekh v Marek Gengel | 6-4,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/21 08:00 | Joao Lucas Reis da Silva v Marek Gengel | 5-7,0-6 |
| Challenger Aix en Provence | 2021/06/13 10:00 | Marek Gengel v Eduard Esteve Lobato | 0-6,1-6 |
| ITF M15 Gaiba | 2021/06/08 13:50 | Marek Gengel v Mats Rosenkranz | 6-4,5-7,1-6 |
| ITF M25 Most | 2021/05/26 09:35 | Antonin Bolardt v Marek Gengel | 7-6,6-0 |
| ITF M15 Tbilisi | 2021/05/21 06:00 | Alexander Shevchenko v Marek Gengel | 6-7,6-4,6-4 |