The Montreal Canadiens and Buffalo Sabres completed a seven-game second-round series in the 2026 Stanley Cup Playoffs [1].

The series served as a high-stakes battle to determine which team would advance to the Eastern Conference Final [5, 6].

The matchup began in mid-May with games split between the Bell Centre in Montreal and the KeyBank Center in Buffalo [3, 4]. The opening games established a pattern of volatility, with Buffalo winning Game 1 by a score of five-one [2] and Montreal responding with a five-one victory in Game 2 [3]. This left the series tied 1-1 after the first two contests [4].

As the series progressed, it was defined by what the NHL described as "massive momentum swings, Bell Centre chaos, Buffalo's explosive Game 6 response" [7]. A pivotal moment occurred during Game 6, where Rasmus Dahlin delivered a historic five-point performance [1, 7].

Earlier in the series, the Sabres focused on maintaining their footing away from home. The Sabres will look to even the series a two wins apiece before heading back home to Buffalo, an author for MSN.com said [8].

The seven-game struggle highlighted the competitive parity between the two franchises as they fought for a spot in the conference finals [1, 5].

The series featured massive momentum swings, Bell Centre chaos, Buffalo's explosive Game 6 response

This series underscores the volatility of the 2026 NHL postseason, where individual historic performances, such as Dahlin's five-point game, can shift the trajectory of a seven-game set. The identical scores in the first two games suggest a narrow margin of error and a high level of offensive parity between Montreal and Buffalo.