Deivison Bobo fired Besiktas into a 28th minute lead, but they weren't able to press home the advantage - even after Sivasspor had Pini Balili sent off seven minutes into the second half.

Ibrahim Toraman of Besiktas was then given his marching orders four minutes later, and in the 58th minute Muhammet Kurtulus equalised.

Substitute Ilgar Gurbanov scored an 83rd-minute winner for Sivasspor, who lead the Super Lig on 28 points with idle Galatasaray three adrift.

Besiktas now find themselves seven points behind the league leaders.

Bottom side Kasimpasa crashed to a 3-1 home defeat to Genclerbirligi OFTAS.

They also had a lead, courtesy of Andre Moritz's 43rd minute goal.

Strikes from Serkan Atak (51) and Ibrahim Sahin (67) put Genclerbirligi in front, and after the 76th minute sending-off of Gokhan Caba, Bulent Kocabey scored at the death for a 3-1 win.

Murat Erdogan hit the back of the net in the 55th minute as Ankaragucu prevailed 1-0 at home over Gaziantepspor.

Ankaraspor's Sidney Tita scored with the game 20 minutes old but Istanbul Buyuksehir BSK got a late equaliser, Adriano Nascimento scoring in the 87th minute.

Substitute Veysel Cihan scored an 84th minute winner as Konyaspor won 2-1 over Caykur Rizespor.

Cedric Sabin had given the hosts a second minute lead Altan Aksoy levelled the score a minute before half-time.

Manisaspor also grabbed a share of the spoils with Bursaspor as second-half substitute Umit Bozkurt scored in injury time.

Herve Tum had scored in the 41st minute for Bursaspor.