The 2010 K League Championship was the 14th competition of the K League Championship, and was held to decide the 28th champions of the K League. The top six clubs of the regular season qualified for the championship. The winners of the regular season directly qualified for the final, and second place team qualified for the semi-final. The other four clubs entered the first round, and the winners of the second round advanced to the semi-final. Each match was played as a single match, excluding the final which consisted of two matches.