Stadion: Court 2 Round: 26 Ground: Clay
| ITF - M15 - Bad Waltersdorf | 2021/09/01 09:45 | Alen Rogic-Hadzalic v Lukas Neumayer | 6-7,0-6 |
| ITF - M15 - Bad Waltersdorf | 2021/08/25 07:00 | Lukas Neumayer v Timo Stodder | 4-6,3-6 |
| ITF - M15 - Warmbad-Villach | 2021/08/20 12:15 | Peter Heller v Lukas Neumayer | 6-2,3-6,6-3 |
| ITF - M15 - Warmbad-Villach | 2021/08/19 14:35 | Matic Spec v Lukas Neumayer | 2-6,3-6 |
| ITF - M15 - Warmbad-Villach | 2021/08/17 14:50 | Lukas Neumayer v Quentin Folliot | 7-5,6-1 |
| ATP - Kitzbühel | 2021/07/27 10:35 | Mario Vilella Martinez v Lukas Neumayer | 6-7,7-5,6-4 |
| ATP - Kitzbühel | 2021/07/25 11:20 | Lukas Neumayer v Lukas Rosol | 6-4,7-6 |
| ITF - M25 - Kottingbrunn | 2021/07/21 09:30 | Martin Krumich v Lukas Neumayer | 7-5,6-2 |
| ITF - M15 - Bad Waltersdorf | 2021/08/31 10:55 | Tom Kocevar-Desman v Davide Galoppini | 6-3,6-3 |
| ITF - M15 - Bad Waltersdorf | 2021/08/28 09:40 | Timo Stodder v Tom Kocevar-Desman | 6-1,7-6 |
| ITF - M15 - Bad Waltersdorf | 2021/08/27 12:05 | Tom Kocevar-Desman v Alessandro Pecci | 7-5,6-2 |
| ITF - M15 - Bad Waltersdorf | 2021/08/26 07:00 | Daniele Capecchi v Tom Kocevar-Desman | 6-7,3-6 |
| ITF - M15 - Bad Waltersdorf | 2021/08/24 14:15 | Tom Kocevar-Desman v Omar Giacalone | 6-0,2-6,6-4 |
| ITF - M15 - Warmbad-Villach | 2021/08/19 09:55 | Lukas Krainer v Tom Kocevar-Desman | 6-3,7-5 |
| ITF - M15 - Warmbad-Villach | 2021/08/18 08:00 | Petr Hajek v Tom Kocevar-Desman | 4-6,7-5,4-6 |
| ITF - M25 - Velenje | 2021/07/07 08:00 | Tom Kocevar-Desman v Matias Zukas | 5-7,0-6 |