Brett Olson scored at 11:02 of overtime to give Waterloo a 4-3 win over the Lancers in game one of the Clark Cup finals Sunday at the Mid-America Center.

Olson scored just :07 into a power play to put the Black Hawks up 1-0 in the USHL championship series with game two at 7:05 p.m. Monday in Council Bluffs.

Drew Conboy opened the scoring for the Lancers with his eighth goal of the playoffs at 3:54 of the first period, assisted by Chris Connolly and Matt White for a 1-0 lead.

Waterloo scored two goals in a span of :26 in the second period as Eddie Olczyk and Paul Weisgarber beat goalie Drew Palmisano for a 2-1 lead. The Lancers tied the game on a goal by Dakota Eveland at 12:19 of the second period, assisted by Joe Diamond and Will O'Neill.

Chad Billins' power-play goal :48 into the third period gave the Black Hawks a 3-2 lead, but Diamond answered for the Lancers at the 5:06 mark. Eveland and Jake Hauswirth picked up the assists.

With the win, Waterloo ran its playoff unbeaten streak to seven.