Henrik Lundqvist made 22 saves to lead the Rangers to a 4-1 win over the Senators last night in Game 4 of the Eastern Conference semifinal.
The series is tied 2-2. Game 5 is tomorrow afternoon in Ottawa.
Oscar Lindberg scored twice for the Rangers, and Nick Holden and Chris Kreider each added a goal.
Kyle Turris scored the Senators' lone goal as Ottawa dropped its second straight in the series.