WTA Rankings: Ashleigh Barty once again retained the top spot in but will have to produce her top performance at Wuhan Open to retain her No. 1 spot.
Belgium's Elise Mertens and Belarusian Aryna Sabalenka captured their first Grand Slam title Sunday by winning the US Open women's doubles final.
Novak Djokovic wilted under pressure from Daniil Medvedev, falling 6-3, 3-6, 3-6 to the ninth-seeded Russian in the Cincinnati Masters semi-finals.
Ashleigh Barty, the Australian top seed, engineered her second comeback in as many days, overhauling Maria Sakkari 5-7, 6-2, 6-0.
Naomi Osaka benefitted from the second round defeat of former number one Ashleigh Barty and the failure of Karolina Pliskova to reach the semis in Toronto.
Despite winning the Wimbledon 2019, Simona Halep is still behind Ashleigh Barty, Naomi Osaka and Karolina Pliskova in the WTA rankings.
Ashleigh Barty was knocked out of Wimbledon 2019 by world number 55 Alison Riske.
The ease with which Rafael Nadal made the fourth round for the ninth time was replicated on the women's side by Ashleigh Barty
Ashleigh Barty displaced Japan's Naomi Osaka as women's world number one.
Ashleigh Barty will rise to second in the world behind only Naomi Osaka when the latest rankings are released next week.
Ashleigh Barty leads Australia's hopes of reaching a first Fed Cup final since 1993 when they face 2017 runners up Belarus in Brisbane.
Ashleigh Barty will rise from 11th to number nine in the world rankings and become the first Australian woman since Sam Stosur in June 2013 to crack the top 10.
Roger Federer booked a Miami Open semi-final against Denis Shapovalov with a ruthless 6-0, 6-4 destruction of Kevin Anderson.
It completed another bad day for organisers who lost their main attraction on the eve of the tournament, Naomi Osaka.
Umpire Alison Hughes was lucky to escape injury as the spider-cam ripped the sun shield right off her chair.
Australian Open 2019: Ashleigh Barty stunned five-time Grand Slam winner Maria Sharapova in a three-set thriller.
Serena Williams, seeking a 24th Grand Slam title, will face Germany's Julia Goerges for a place in the French Open last 16.
Ashleigh Barty was scheduled to play third seed Maria Sharapova in the second round on Wednesday.