Val Sweeting defeated Casey Scheidegger 8-6 at the Tim Hortons Roar of the Rings on Wednesday morning at Canadian Tire Centre.
Sweeting, from Edmonton, evened her record at 3-3 while Scheidegger, from Lethbridge, Alta., fell to 2-3.
Winnipeg's Mike McEwen beat Saskatoon's Steve Laycock 10-4 in the early men's game. McEwen scored four points in the sixth end to put the game out of reach.
McEwen improved to 4-1 while Laycock dropped to 2-4.
Winnipeg's Jennifer Jones (5-0) was scheduled to play Calgary's Chelsea Carey (4-0) in a battle of undefeated skips in the afternoon draw.
Calgary's Kevin Koe, who leads the men's standings at 5-0, was scheduled to play Toronto's John Epping (1-3) in the afternoon.
Round-robin play continues through Friday and the finals are scheduled on Sunday. The winners will represent Canada at the Pyeongchang Olympics in February.
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