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Every year since the 2008 kickboxing tournament called Tatneft Cup is held in Tatneft Arena, Kazan, Russia. Tournament consists of three tournaments in three weight categories (-70 kg, -80 kg, +80 kg) with 4 selections of 1/8 finals, 2 selections of quarter-finals, semi-finals and final tournament. The tournament is according to the K-1 rules, in 3x3 format with the exception of the fight going to an automatic 4th extension round if there is no knockdown during the first three rounds.