Gençlerbirliği S.K.
On 27 May 2015, Hopf signed a three-year deal with the Turkish club Gençlerbirliği S.K.. He made his debut on 29 August 2015 in a 1–0 win against Kasımpaşa. Hopf was voted Gençlerbirliği's player of the year in both 2016 and 2017.