Stadion: Court 1 Round: 28 Ground: Clay
| ITF - M15 - Warmbad-Villach | 2021/08/20 12:50 | Gabriel Decamps v Lukas Krainer | 6-2,6-3 |
| ITF - M15 - Bad Waltersdorf | 2021/08/27 08:00 | Alen Rogic-Hadzalic v Gabriel Decamps | 2-6,6-7 |
| ITF - M15 - Bad Waltersdorf | 2021/08/26 07:00 | Marko Topo v Gabriel Decamps | 4-6,5-7 |
| ITF - M15 - Bad Waltersdorf | 2021/08/25 11:00 | Gabriel Decamps v Peter Nagy | 6-2,6-2 |
| ITF - M15 - Bad Waltersdorf | 2021/08/23 13:00 | Gabriel Decamps v Lorenzo Rottoli | 6-4,7-6 |
| ITF - M15 - Bad Waltersdorf | 2021/08/23 07:00 | Gabriel Decamps v Martin Zeljenka | 6-1,6-1 |
| ITF - M15 - Bad Waltersdorf | 2021/08/22 09:00 | Petr Hajek v Gabriel Decamps | 6-7,2-6 |
| ITF - M15 - Warmbad-Villach | 2021/08/21 11:00 | Peter Heller v Gabriel Decamps | 7-5,6-2 |
| ITF - M15 - Warmbad-Villach | 2021/08/20 12:50 | Gabriel Decamps v Lukas Krainer | 6-2,6-3 |
| ITF - M15 - Bad Waltersdorf | 2021/08/27 09:25 | Lukas Krainer v Neil Oberleitner | 6-7,6-4,6-0 |
| ITF - M15 - Bad Waltersdorf | 2021/08/26 09:35 | Tomas Lipovsek Puches v Lukas Krainer | 3-6,4-6 |
| ITF - M15 - Bad Waltersdorf | 2021/08/25 08:50 | Lukas Krainer v Admir Kalender | 6-4,3-6,6-2 |
| ITF - M15 - Warmbad-Villach | 2021/08/20 12:50 | Gabriel Decamps v Lukas Krainer | 6-2,6-3 |
| 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 14:35 | Mario G Fernandez v Lukas Krainer | 6-7,6-2,1-6 |
| ITF - M15 - Kairo | 2021/08/06 09:55 | Lukas Krainer v Quentin Folliot | 4-6,1-6 |
| ITF - M15 - Kairo | 2021/08/05 09:20 | Lukas Krainer v Constantin Bittoun Kouzmine | 6-1,6-2 |