The fourth game was played on March 26 and was a must-win for the Maroons. The Senators struck first, as Georges Boucher and Eddie Gerard scored to give Ottawa a 2–0 lead after the first period. Ottawa's Punch Broadbent scored the lone goal of the second period, extending the Senators lead to 3-0 after two periods. The Senators King Clancy scored midway through the third period, as Ottawa took a 4–0 lead. The Maroons were finally able to beat Clint Benedict with just over three minutes remaining in the game on a goal by Smokey Harris. Ottawa's Punch Broadbent scored his second goal of the game with just four seconds remaining, as the Senators won the game 5-1 and won the series.