[2] On 31 July 2016, he made his debut in a 0–1 away win against Preußen Münster after coming on as a substitute at 58th minute in place of Jules Reimerink.
[3] Twenty-six days after debut, Ajdini scored his first goal for VfL Osnabrück in his second appearance for the club in a 4–2 away defeat over Werder Bremen II in 3.
Bundesliga side SV Sandhausen, to replace the injured Dennis Diekmeier as the second choice.
[5] On 25 July 2021, he made his debut in a 0–2 home defeat against Fortuna Düsseldorf after being named in the starting line-up.
Ajdini was born in Halmstad, Sweden, where his parents had emigrated to escape the tensions of the Yugoslav Wars, and later settled in Schloß Holte-Stukenbrock, Germany.