We can expect powerful hitting and aggressive play from both players, but Halep's movement especially in her quarter-final was second to none, and so Muguruza can expect to be pulled around the court a lot.
Since beating Venus Williams for the Wimbledon title, she has reached the quarterfinals of her last three tournaments.
The final Sunday will be the first on American soil for Muguruza, who lost to Pliskova in last year's W&S semifinals. The seventh-seeded Dimitrov got his first career win in six matches against Del Potro.
Muguruza will play for her fifth career title Sunday against the victor of a later match between Romania´s second-ranked Simona Halep and 151st-ranked United States wildcard Sloane Stephens.
"I didn't wait, like, the mistake or something like this", he said. "This match was really good, I feel that maybe I played my best tennis. Everything went my way".
Sevastova squandered two break points in the first game of the second set and netted a backhand to give Halep a 2-0 edge, but broke back in the fifth game.
While she can't do it this week, Muguruza would be in the hunt for the top ranking at the US Open, which starts on August 28.
Vancouver named as potential host city for Federation Internationale de Football Association 2026 World Cup
Prepare to (potentially) get even more: The Queen City could score one of the soccer world's biggest events in the next decade. Lenarduzzi was managing the Vancouver 86ers of the Canadian Soccer League when the US was awarded the 1994 tournament in 1988.
Sixth-ranked Spaniard Muguruza ousted Russian eighth seed Svetlana Kuznetsova 6-2, 5-7, 7-5 in a matchup of two-time Grand Slam winners that lasted two hours, 45 minutes. That followed a 2:18 win over Madison Keys on Thursday, when she fought off three match points. "I was very refreshed coming back out there to finish the match".
"I managed, don't lose the courage, and I turned (it) around", Muguruza said.
Kyrgios, ranked 23rd, took the first set in 25 minutes, dropping only three points on his serve while taking seven- of eight points off the 31-year-old Spaniard's second serves.
All Offers and Promotions posted in this article excludes NSW residents. I saw her a little bit these days, so tough.
"I knew that a lot of the conditions and everything about this tournament, my schedule - a lot of things have worked in my favor this week", Isner said.
"I had it on my mind", Muguruza said. She wasted another match point before Muguruza took it to the tiebreaker and dominated. Bulgarian seventh seed Grigor Dimitrov defeated Japan's Yuichi Sugita 6-2, 6-1 to reach the semi-finals against the victor of a later match between Americans John Isner and Jared Donaldson. Nadal could meet Australian Nick Kyrgios in Friday's quarter-finals. I just had to be very composed and use every opportunity that I had.
"I lost five times against him". I thought he played a high-level match.