St. John's skip Brad Gushue watches his shot against Mike McEwen during the men's curling final at the PointsBet Invitational in Calgary on Sept. 29, 2024.

Brad Gushue secured a playoff berth in the Grand Slam of Curling's Canadian Open with a 5-4 win over his international archrival Niklas Edin on Thursday in Nisku, Alta.