Stadium: MTA 11 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/10/12 07:00 | Kristof Minarik v Lambert Ruland | 6-4,6-1 |
| ITF M15 Antalya | 2021/10/11 09:10 | Lambert Ruland v Vitek Horak | 4-6,6-2,10-8 |
| ITF M15 Antalya | 2021/10/10 07:00 | Lambert Ruland v Adrian Mateo Bejenaru | 6-3,7-5 |
| ITF M25 Ricany | 2021/08/30 08:30 | Lambert Ruland v Jimmy Yang | 7-6,6-7,9-11 |
| ITF M25 Ricany | 2021/08/29 08:00 | Ondrej Horak v Lambert Ruland | 1-6,1-6 |
| Challenger Luedenscheid | 2021/08/15 13:30 | Lambert Ruland v Filip Cristian Jianu | 4-6,2-6 |
| ITF M15 Antalya | 2021/10/11 13:20 | Antonin Bolardt v Philipp Pavlenko | 6-2,6-3 |
| ITF M15 Antalya | 2021/10/10 07:00 | Philipp Pavlenko v Mohamed Ali Abibsi | 6-2,6-3 |
| ITF M25 Ricany | 2021/08/30 09:00 | Jonas Forejtek v Philipp Pavlenko | 6-2,6-2 |
| ITF M25 Ricany | 2021/08/29 08:00 | Philipp Pavlenko v Nico Hornitschek | 7-5,6-3 |