A few teams will work overtime to earn a spot in the Grand Slam of Curling’s CO-OP Tour Challenge playoffs in Nisku, Alta.

That after the four round-robin games for each rink couldn’t quite clear up the picture for the weekend’s two brackets to crown champions at the second slam of the 2025-26 calendar.

Through to the playoffs are: John Epping (4-0), Bruce Mouat (3-1), Joel Retornaz (3-1), Matt Dunstone (3-1), Niklas Edin (3-1) and Yannick Schwaller (3-1) on the men’s side; and Silvana Tirinzoni (4-0), Anna Hasselborg (4-0), Rachel Homan (3-1), Stefania Constantini (3-1), Xenia Schwaller (3-1) and Kerri Einarson (2-2) on the women’s side.

Early Saturday tiebreakers (10:30 a.m. ET) to decide the other two spots in the men’s playoffs will be played between …

• Brad Gushue (2-2) and Mike

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