Second-placed Fenerbache let slip a half-time lead as it was held 1-1 by third-placed Trabzonspor.
Fener went ahead four minutes before the break through
The result leaves Fener nine points behind leader Galatasaray in the Super Lig standings, with Trabzonspor a further 10 minutes back.
At the other end of the table, Samsunspor continued its brave bid to avoid the drop with an impressive 1-0 win at fourth-placed Besiktas.
Antalyaspor's own quest to avoid relegation suffered a hit as it lost 3-1 at home to Bursaspor.
Bursaspor's goals came from
Turkish Super Lig
Kayserispor scored twice in the last 20 minutes to earn a 2-0 victory over third-placed Besiktas on the final day of the Super Lig season.