Turkish Spor Toto Super League leaders Beşiktaş lost to Kayseri Erciyesspor 3-2 in a week 7 league game played at Kadir Has Stadium on Monday.Kayseri Erciyesspor's Turkish winger Cenk Ahmet Alkılıç scored a late winner in the 92nd minute to defeat Istanbul's Beşiktas, 3-2.Beşiktas had led 2-1 with five minutes remaining thanks to two goals by Swiss-Turkish winger Kerim Frei. Erciyesspor's Portuguese central forward Edinho made the score 2-2 in the 89th minute of play.The home team Kayseri Erciyesspor had taken the lead in the 54th minute thanks to Ghanaian center-back John Boye's goal.Beşiktaş -- aka "Black Eagles" -- suffered their first loss for the first time in the Spor Toto Super League this season but remain leaders with a total of 14 points.Beşiktaş regular Gökhan Töre was handed a red card in the game. He is suspended for the derby against Fenerbahçe next week.