Rachel Homan continued her undefeated run through the Rogers Masters Grand Slam of Curling.
The Ottawa skip defeated Tracy Horgan of Sudbury, Ont., 6-2 on Saturday to advance to the semifinals.
Homan, who finished 5-0 in the round robin, will play Eve Muirhead in the next round after the Scot cruised past Calgary's Shannon Kleibrink 7-2.
The other women's semi will feature Winnipeg's Chelsea Carey against Silvana Tirinzoni of Switerland. Carey shut out Heather Strong of St. John's, N.L., 4-0 while Tirinzoni edged Sherry Middaugh of Coldwater, Ont., 6-5.
On the men's side, Brad Jacobs of Sault Ste. Marie, Ont., was stunned by qualifier Steve Laycock of Saskatoon 4-1 in their quarter-final match.
Jacobs had gone undefeated in the round robin before running into Laycock, who will face Jim Cotter of Kelowna, B.C.
In the other semifinal, former event champion Kevin Martin of Edmonton takes on Kevin Koe of Yellowknife.