Wozniacki eliminated Stephens in a tidy 83 minutes at Aviva Centre. She was in form during the tiebreaker, firing a service victor to convert her second set point under the warm sun at Aviva Centre.
Svitolina was a force with her return all week, coming into the match winning 63.4% of her games without serve.
Stephens, who is trying to regain her form after missing nearly a year due to a foot injury, showed flashes of her impressive power game.
Wozniacki twice came from a break down early on to pull level at 4-4 in a first set that featured plenty of lengthy rallies.
Pliskova, a 6-foot-1 25-year-old from the Czech Republic, was playing her first tournament as the world No. 1.
"That's really the way I think". The updated Rogers Cup schedule is available at the tournament's official website. The finalist is to take home US$243,920. Rather, she was able to turn her full attention to Sloane Stephens, who punched a ticket to the semifinals Friday with a straight-set win over Lucie Safarova. "I didn't expect this type of day but I'm very happy that I could stay very focused".
Stephens did not have high expectations for this summer and was quite pleased to reach the final four. But Federer chose to play and now has a chance to add to a tally that includes Australian Open and Wimbledon titles this year. Despite leading the WTA points race, she is likely best known for crumbling after holding match point against Simona Halep in the French Open quarterfinals. "I'm just playing better".
When the action resumed, Svitolina, the world number five from Ukraine, regrouped and forced a decider after claiming the second set in 44 minutes during which both women struggled to hold serve.