Dursun completed 2020–21 2. Bundesliga season with 27 goals, making him the top-scorer of the season.[3]
Fenerbahçe
On 15 June 2021, Dursun signed a three-year deal with option for fourth with Turkish side Fenerbahçe.[4] He made his debut on 26 September in a 2–1 away win over Hatayspor.[5] He scored his first goal for the club on 24 October in a 2–1 home loss against Alanyaspor.[6] On 5 December, he scored a hat-trick in a 4–0 win over Çaykur Rizespor.[7]
On 12 February 2022, in a 2–1 win over Giresunspor, Dursun, who entered the game in the second half of the match, suffered a head injury in the 51st minute of the match and was only able to play 7 minutes, being replaced by Mërgim Berisha in the 58th minute. Fenerbahçe stated that it was determined that a displaced fracture occurred in his zygomatic bone after the blow he received in the match.[8]