During the 2009–2010 season, coach Tanjevic was diagnosed [2] with colorectal cancer and left the team at late March, Erdogan took over and led Fenerbahçe to the 2009-10 Turkish Basketball League championship. Despite his success against the title favourites Efes Pilsen, he was not appointed as Fenerbahçe's head coach in the following season.[3] Erdogan continued to serve in an assistant coach capacity with head coaches Neven Spahija and Simone Pianigiani in the following seasons. He left Fenerbahce in 2013, after 13 years.[4]
Žalgiris Kaunas' interest
Shortly after Sarunas Jasikevicius' decision to joining Barcelona in the summer of 2020, Ertugrul Erdogan has emerged the frontrunner for Zalgiris head coach position.[5] Erdogan spoke with Zalgiris president and GM Paulius Motiejunas but there was never traction on reaching a contract agreement as the days wore on.[6] Zalgiris opted to sign with the Salt Lake City Stars head coach, Martin Schiller.[7]
A couple of days after Zalgiris' interest, on July 14, 2020, Galatasaray officially signed head coach Ertugrul Erdogan to a 1+1 contract extension, the team announced.[8]
Galatasaray (2018–2020)
On July 26, 2018, Erdogan signed a two-year contract, and agreed to become the new head coach of the Turkish club Galatasaray.[9]
Galatasaray announced that the club has entered negotiations with head coach Ertugrul Erdogan for the mutual termination of his contract. On November 10, 2020, coach Erdogan bid his farewell to Galatasaray and their fans. “Without honesty, there is neither trust nor sustainable success. Thank you to everyone, mainly our fans, who supported me and my staff during my two and a half years at Galatasaray. My conscience is clear” he later tweeted.[13]
Śląsk Wrocław (2023)
On February 27, 2023, he signed a one-and-a-half-year contract with Polish champions Śląsk Wrocław, who also competes in EuroCup. [14]
On 21 June, 2023, Turkish coach decided to use the clause in his contract in order to leave Śląsk Wrocław after five months.[15] Under his leadership, Wroclaw team finished the regular season in the first place, and then reached the finals in the Polish League Playoffs. Slask finished the season as the runners-up, they lost final series against Wilki Morskie Szczecin with the score of 4-2.