Bryan Rust scored 1:22 into overtime Friday, and No. 12 Notre Dame outlasted Bowling Green 1-0.
Steven Summerhays made 22 saves for the Irish (22-12-3), who lead the best-of-three CCHA quarterfinal series 1-0.
Bowling Green’s Andrew Hammond stopped the first 35 shots he saw but the Falcons (15-20-5) couldn’t get him a goal.