Borussia Dortmund have parted ways with manager Nuri Şahin following their Champions League defeat to Bologna on Tuesday.
Dortmund, who were runners-up in last season’s competition, have now suffered four consecutive losses across all competitions.
Şahin, who served as an assistant to former head coach Edin Terzić during last season’s unexpected journey to the Champions League final, where they were defeated by Real Madrid, was promoted to head coach during the summer.
However, Şahin’s tenure proved underwhelming, with the team managing only six wins in 19 games under his leadership.
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His stint ended on a four-game losing streak, leaving Dortmund in 10th place in the Bundesliga, seven points adrift of a Champions League qualification spot.
In a club statement, Dortmund sporting director Lars Ricken said: “We value Nuri Sahin and his work very much, we hoped for a long-term collaboration and until the end we had hoped that we could achieve a sporting turnaround together.
“After four defeats in a row, due to only one win in the last nine games and currently tenth in the Bundesliga table, we have unfortunately lost faith in being able to achieve our sporting goals in the current constellation.
“This decision hurts me personally, but it was unavoidable after the game in Bologna.”