By virtue of finishing first overall, Toronto was able to choose its first-round opponent between fourth-place Minnesota and third-place Boston. On May 6, Toronto announced their choice to play Minnesota, leaving Montreal to play Boston in the other semi-final. :* – Denotes overtime period(s)
Semi-finals Toronto (1) vs. Minnesota (4) Toronto finished first overall in the league, earning 47 points. Minnesota finished in 4th place with 35 points. Toronto won three of four regular season meetings against Minnesota, including both meetings in Toronto and with one win coming in overtime. Minnesota defeated Toronto in five games, winning
three straight after losing the first two. In game one,
Blayre Turnbull scored twice,
Natalie Spooner recorded a goal and an assist, and
Kristen Campbell made 26 saves to earn her first career playoff shutout—the first playoff shutout in league history—as Toronto defeated Minnesota 4–0. Game two remained scoreless until
Jesse Compher scored with 1:25 left in regulation to give Toronto a 1–0 lead;
Hannah Miller added an empty-net goal with 10 seconds remaining to put the game out of reach, with Campbell turning aside 21 Minnesota shots to give Toronto a 2–0 victory. In game three, with Minnesota facing elimination,
Maddie Rooney made 18 saves for Minnesota in a 2–0 victory, with
Maggie Flaherty scoring Minnesota's first goal of the series at 2:12 of the second period. Toronto also lost league leading-scorer Spooner to an injury, and she would not return for the rest of the series. In game four, neither team scored in regulation;
Claire Butorac scored 4:27 into the second overtime period for Minnesota as Rooney made 19 saves in the win, sending the series to a fifth and deciding game. In game five,
Taylor Heise scored twice, including the game winner in the third period, while Rooney stopped 27 shots to secure a 4–1 victory and a spot in the
Walter Cup Finals.
Montreal (2) vs. Boston (3) Boston finished 3rd place in the league earning 35 points. Montreal finished in 2nd place earning 41 points. Montreal and Boston split their regular season series with two wins each, including one regulation and one overtime win each. Boston defeated Montreal in a three-game sweep, with all three games decided in overtime. In game one,
Aerin Frankel made 53 saves, and
Susanna Tapani scored the game-winning goal in overtime—the first overtime goal in PWHL playoff history—and Boston won the game 2–1. Game two was decided at 8:16 of the third overtime period, with
Taylor Wenczkowski netting her first career PWHL goal, securing a 2–1 victory for Boston; Frankel made 56 saves in the contest, breaking her previous save record from Game 1. In game three, with Montreal leading 2–0 lead after two periods, Boston scored twice in the third to send the game into overtime for the third consecutive time. Boston won the game 3–2, with Tapani scoring the game-winning goal, her second of the series, just 62 seconds into overtime, clinching the series for Boston.
PWHL Finals Boston (3) vs. Minnesota (4) Boston won three out of five meetings against Minnesota during the regular season, including one overtime win and two wins on the road at Xcel Energy Center. Minnesota defeated Boston in five games to capture the inaugural Walter Cup championship. Although
Michela Cava opened the scoring for Minnesota in game one,
Aerin Frankel stopped 30 out of 33 shots as Boston secured a 4–3 victory. Minnesota responded in game two with a 3–0 victory that saw
Nicole Hensley post a shutout and
Sophie Jaques score two goals. Minnesota secured another 3-goal win in game three, with
Taylor Heise scoring her league-leading fifth playoff goal to open the scoring en route to a 4–1 win. Game four was scoreless into a second overtime period. Minnesota appeared to capture the victory and the series when Jaques shot the puck past Frankel with 2:34 remaining; however, the goal was reviewed and disallowed due to goaltender interference, and 70 seconds after play resumed,
Alina Müller scored for Boston to send the series to a fifth and deciding game. In game five, Hensley secured her second shutout of the series and
Liz Schepers' second period goal stood as the winner as Minnesota secured a 3–0 victory and the Walter Cup title. Heise, who led the playoffs in scoring, was voted the most valuable player of the playoffs.
Statistics Scoring leaders The following players led the league in playoff points at the conclusion of the Walter Cup.
Leading goaltenders The following goaltenders led the league in playoffs
goals against average at the conclusion of the Walter Cup.
Attendance ==All-Star Showcase==