Williams had to come back from a set and a break down to storm to a 4-6, 6-3, 6-2 win against Bulgaria's Tsvetana Pironkova while Azarenka dropped just one game against 16th seed Elise Mertens of Belgium to seal a spot in the semifinals.
As the interval beckoned, Ever Bright had promising opportunities to test Zall's goalkeeper Dong Chunyu from a free-kick, but Cao Xuan's header flashed inches wide.
He has also been capped 36 times for the Italian national team.
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Mikel Arteta has now had time to put his mark on the Arsenal side he inherited from Unai Emery and winning the FA Cup and the Community shield have given the club a positive air, as have the signings of Willian from Chelsea, central defender Gabriel from Lille and the return of Dani Ceballos on loan from Real Madrid.
The league told reporters that the media rights for the league for the last three seasons brought in 1.31 billion euros (1.55 billion U.S. dollars), according to the data firm Statista. But it has been a point of contention this year, as the global coronavirus outbreak forced games to stop for more than three months.
In the men's quarterfinals, second seed Dominic Thiem of Austria eased past Australian player Alex De Minaur 6-1, 6-2, 6-4 while third seed Daniil Medvedev of Russia defeated compatriot Andrey Rublev 7-6(6), 6-3, 7-6(5).
Alexi Stival's men are now sixth in the 20-team standings with 15 points while Sao Paulo are second with 18, two points behind leaders Internacional, who have a game in hand.
"Sometimes I think I have no choice but to play as hard as I can, because my opponent isn't giving me any looks," Osaka said of the hard-fought match. "For me, normally if I focus that much, then the match potentially could be over in two. But I felt like it just kept going on."
LONDON, Sept. 13 (Xinhua) -- World No. 1 Judd Trump started the new snooker season with two wins and one draw on Sunday, progressing to the second stage of the Championship League from Group One.
In the decider, the 22-year-old Osaka finally created her first break chances, and converted en route to a 4-1 lead. After that, Osaka never looked back.
Luneng were on a three-game winless run before Sunday's game while Evergrande dominated Group A, despite losing to Luneng 1-0 in the first leg, their only defeat this season.