Jennifer Brady did not drop a set all week on the way to her first WTA final and wore down Jil Teichmann to claim the crown in a US Open tuneup event.
Brady has ceded a total of just 17 games through four matches and was broken only once — by Gauff. In their match, Brady hit eight aces and won 22 of 26 first-serve points.
Rogers, ranked 116th, outlasted ninth-ranked Williams 1-6, 6-4, 7-6 (7/5) after two hours and seven minutes, finishing the 23-time Grand Slam champion with a service winner.
Dubai Tennis Championships: Simona Halep stages comeback against Aryna Sabalenka to reach semi-finals, will face Jennifer Brady
Halep had to save a match point against Ons Jabeur on Wednesday and again found herself in trouble against the hard-hitting Sabalenka.
Adelaide International: World No 1 Ashleigh Barty wins first-round match in three sets against Anastasia Pavlyuchenkova
Rodionova ranked world number 201, sprung the upset of the day by tipping former US Open champion Sloane Stephens out of the tournament 6-2, 6-2 on centre court.
Brisbane International: American Jennifer Brady beats local favourite Ashleigh Barty to advance into quarter-finals
Brady, who beat Maria Sharapova in the first round after coming through three qualifiers, became the fourth American to qualify for the quarter-finals after Madison Keys, Alison Riske and Danielle Collins
China Open 2019: Andy Murray beats Cameron Norrie in three sets to advance to quarterfinals; Bianca Andreescu beats Elise Mertens to reach last 16
The hard-fought triumph over 69th-ranked Norrie means Murray reaches the last eight in singles on the ATP Tour for the first time since Shenzhen in September last year
Dubai Championships: Former winners Petra Kvitova, Simona Halep advance to quarter-finals; Angelique Kerber ousted
Former winners Petra Kvitova and Simona Halep advanced to the quarter-finals of the Dubai Championships on Wednesday and were joined by two-time defending champion Elina Svitolina.
Indian Wells: Serena Williams beats Kiki Bertens to set up third round clash with sister Venus; Elina Svitolina wins
Serena, vying to become the first woman to win three Indian Wells titles, clinched the victory against Bertens on her second match point when Bertens blasted a forehand wide.
Daria Gavrilova produced her best performance of the week to cruise into the Hong Kong Open final with a 6-0, 7-5 defeat of Jennifer Brady on Saturday.
Hong Kong Open: Daria Gavrilova survives 'silly' 2nd-set meltdown to move into semis, Jennifer Brady progresses
Gavrilova eventually came through 6-1, 3-6, 6-4, but only after an almighty struggle with her serve, a string of unforced errors and her own state of mind.
Caroline Wozniacki and Elina Svitolina's withdrawals left the Hong Kong Open devastated after a spate of pre-tournament pullouts and early big name exits.
It was the victories of teen sensation Andrey Rublev and comeback queen Kaia Kanepi that muscled into the limelight despite Nadal notching up his 50th win at the US Open.
Roared on by a raucous crowd as the rain tapped on the closed roof of Arthur Ashe Stadium, Madison Keys claimed a 2-6, 6-4, 6-1 win over Russian Elena Vesnina
Pliskova said, "I feel pressure. I know all the opponents are behind me (in ranking) so I should win every match, which is tough."
US Open 2017: Roger Federer, Rafael Nadal inch closer to potential semi-final clash; Karolina Pliskova wins
Rafael Nadal and Roger Federer edged closer to a US Open semi-final blockbuster on Saturday. Karolina Pliskova saved a match point to defeat China's Zhang Shuai and held on to her top ranking
Karolina Pliskova saved a match point to defeat China's Zhang Shuai on Saturday and reach the US Open last 16, hanging on to her World No 1 spot in the process.
Sharapova was refused a wildcard by French Open organizers and missed Wimbledon with a thigh injury, so the US Open will be her first Grand Slam event since last year's Australian Open.
US Open 2017: Maria Sharapova handed wild card, set to play first Grand Slam since doping suspension
Sharapova had withdrawn from US Open warm-up tournaments in Toronto and Cincinnati the past two weeks after suffering a left forearm injury at Stanford.
Five-time Grand Slam champion Maria Sharapova withdrew from the WTA Bank of the West Classic just before her scheduled second-round match Wednesday with a left arm injury, tournament officials announced.