Besiktas were stunned by lower division Kayserispor 1-0 on Wednesday.
The domestic cup games, played on Feb. 10, 11 and 12, saw Medicana Sivasspor, Mersin Idmanyurdu, Bursaspor, Kayserispor, Fenerbahce, Manisaspor, Genclerbirligi and reigning Turkish Cup champions Galatasaray qualify for the quarterfinals.
The Ziraat Turkish Cup quarterfinals will be played in a home and away knockout format. First legs will take place on March 3,4 and 5 while the second legs will kick off April 7,8 and 9.
Draws for the quarterfinals will be made next week.
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– Round of 16 results are as follows:
Trabzonspor 2-2 Medicana Sivasspor (Medicana Sivasspor won 3-2 after extra time)
Kardemir Karabukspor 2-2 Mersin Idmanyurdu (Mersin Idmanyurdu won 4-2 after extra time)
Bursaspor 0-0 Istanbul Basaksehir (Bursaspor won 4-3 after penalties)
Kayserispor 1-0 Besiktas
Caykur Rizespor 1-4 Fenerbahce
Tuzlaspor 1-3 Manisaspor
Genclerbirligi 3-0 Eskisehirspor
Galatasaray 4-1 Torku Konyaspor