Blues even series on Backes' OT game-winner, beat Stars 4-3

St. Louis Blues right wing Troy Brouwer (36) celebrates scoring a goal with Alex Pietrangelo (27), Carl Gunnarsson (4) and other teammates on the bench during the first period of Game 2 of the NHL hockey Stanley Cup Western Conference semifinals against the Dallas Stars, Sunday, May 1, 2016, in Dallas. (AP Photo/LM Otero) (The Associated Press)

St. Louis Blues goalie Brian Elliott (1) watches the puck during the first period of Game 2 of the NHL hockey Stanley Cup Western Conference semifinals against the Dallas Stars, Sunday, May 1, 2016, in Dallas. (AP Photo/LM Otero) (The Associated Press)

St. Louis Blues defenseman Colton Parayko (55) and Dallas Stars left wing Patrick Sharp (10) tangle during the second period of Game 2 of the NHL hockey Stanley Cup Western Conference semifinals, Sunday, May 1, 2016, in Dallas. (AP Photo/LM Otero) (The Associated Press)

Blues captain David Backes scored off a rebound during a power play 10:58 into overtime and St. Louis beat the Dallas Stars 4-3 in Game 2 on Sunday to get even in the second-round series.

St. Louis was on its second power play of overtime after Antoine Roussel was called for interference.

Vladimir Tarasenko took a slap shot that defenseman Alex Goligoski blocked. But the Blues kept charging and Backes scored on the rebound of Alexander Steen's shot.

The series matching the Western Conference's top two teams switches to St. Louis for Game 3 on Tuesday night.

Antti Niemi had stopped 19 consecutive shots since relieving Kari Lehtonen after the first period until Backes scored.

Blues goalie Brian Elliott had 31 saves.