With Bayer, Sebescen played in the 2002 UEFA Champions League Final, losing to Real Madrid.
Sebescen became the first VfL Wolfsburg player to earn a cap for the Germany national football team when he played in a friendly against the Netherlands in Amsterdam in February 2000.
[4] Being placed in an unaccustomed right-back position, he produced a dismal performance against Dutch winger Boudewijn Zenden and was substituted at half-time.
On 31 October 2019, 44-year-old Sebescen returned to the pitch, signing for German amateur club TV Unterboihingen.
[5] Sebescen had worked together with Unterboihingen's manager Daniel Zeller's brother, Philipp, at the sporting goods company Decathlon.