A
Rosenheim native, Akdag came through the youth ranks of the
Starbulls Rosenheim. After joining the
Krefeld Pinguine organization, he made his debut in Germany's top-flight
Deutsche Eishockey Liga (DEL) during the 2007–08 campaign. Following a seven-year stint with the Krefeld team, he signed with fellow DEL side
Adler Mannheim in 2014 and won the German championship in his first year with the team. He received DEL Defenseman of the Year honors in the
2015–16 season. Following nine seasons with Adler Mannheim, Akdag left the club as a free agent and was signed to a two-year contract to continue in the DEL with Düsseldorfer EG on 12 May 2023. ==International play==