The 1988–89 Turkish Cup was the 27th edition of the annual tournament that determined the association football Süper Lig Turkish Cup (Turkish: Türkiye Kupası) champion under the auspices of the Turkish Football Federation (Turkish: Türkiye Futbol Federasyonu; TFF). Beşiktaş successfully contested Fenerbahçe 1–3 in the final. The results of the tournament also determined which clubs would be promoted or relegated.
First round
Second round
Third round
Fourth round
Quarter-finals
Semi-finals
Summary table
1st leg
2nd leg
Final
1st leg
2nd leg
References
