IMPHAL, July 21: COSMO, Wangkhei overwhelmed UYAC, Uchekon 13-1 in the Super Six hockey tournament at Khuman Lampak Hockey Stadium today. Striker P Rahul found the mark half a dozen times while G Dingku troubled the scorers thrice. Teammates K Boy, Bronson, Th Bebeto and Amarjit netted one goal each. For the losing team L Diphu scored the consolation goal.