| Austrian Open - Dublu Masculin | 2021/05/28 17:00 | Niederhuber/Tomic v Rusev/Stoynov | L | 0-2 |
| Austrian Open - Dublu Masculin - Calificari | 2021/05/28 09:40 | Feltes/Pauquet v Niederhuber/Tomic | W | 0-2 |
| Slovenia International - Dublu Masculin | 2021/05/20 16:00 | Ban/Spoljarec v Niederhuber/Tomic | L | 2-1 |