The British No 1 and third seed will face Venus Williams in the final after the 6-4 6-2 win in Stanford. The 25-year-old dropped just six points on serve as she secured victory in one hour and 14 minutes.
Nine of the Top 10 are in Montreal next week for the Canadian Open, where world No. 1 Serena Williams will make her first appearance since Wimbledon.
Novak Djokovic is the only Top 4 player in Toronto, is he over whatever was bothering him in London?
The 20-year-old Czech, who has never won a single title on the tour, beat defending champion and eighth seed Johanna Larsson 7-5, 6-1 in Bastad, Sweden, on Saturday to progress into the final.
British No 1 Johanna Konta was made to work hard before advancing to the Bank of the West Classic semi-finals with a 6-2, 4-6, 6-3 victory over Saisai Zheng at Stanford University.
Novak Djokovic has a busy summer planned.
Want to see what Roger Federer looked like as a baby?
Bernard Tomic and Viktor Troicki were kicked off their practice court by a park policeman.
Marin Cilic is without a coach for the time being.
Top-seeded Feliciano Lopez of Spain set up a Swiss Open semifinal against Dustin Brown by beating Elias Ymer of Sweden in the quarter-finals on Friday.
The 2016 Summer Olympics may impact tennis far beyond the shores of Rio. In fact, a slew of withdrawals from the Olympic Games and other major tournaments could spell disaster for tennis fans. There's a growing list of top players who plan to skip the summer games for reasons varying from the Zika virus to in-country conflict. Show More Summary
Marin Cilic has split with coach Goran Ivanisevic after three years, the world number 12 has said. The pair last worked together at Wimbledon, where Cilic surrendered a two-set lead to lose to Roger Federer.
CiCi Bellis wasn't even born when Venus Williams first played in Stanford. They meet tonight.
Four American seeded men are into the Washington QFs.
Shortly after Croatian star Borna Coric had defeated American Jack Sock in the fifth and decisive rubber at the Davis Cup quarterfinal in Beaverton, Oregon, he arrived at the press conference wearing a T-shirt that read, “Shut Up And...Show More Summary
The home favourite Johanna Larsson eased past the Spanish qualifier 6-0 6-3 to make it seven straight matches in the tournament without dropping a set, dating back to 2014.
A pair of high-profile WTA stars suffered injuries.
Alexander Zverev rolled fellow teen Taylor Fritz in Washington D.C. Wednesday.
It will be 17-time Grand Slam champion Roger Federer's first time back at the international team tournament in Perth since he teamed up with his now wife Mirka back in 2002.
Former world No 1 Caroline Wozniacki has suffered yet another set-back. The Dane was forced to withdraw from her Citi Open match against Sam Stosur with a left arm injury.