Then in the third set, Williams was rarely troubled by her rival en route to victory.
Sakkari threatened to repeat her come-from-behind victory over Williams in the Western & Southern Open two weeks ago, but ultimately fell just short.
British rider Adam Yates retained the yellow jersey and Peter Sagan took the green jersey.
"It's a great result for Wolf because in my first four majors I only won one match," Medvedev said. "In his first one he has already won two, so I'm sure he's going to be climbing up the rankings and playing good."
MADRID, Sept. 4 (Xinhua) -- Lionel Messi confirmed on Friday that he would stay at FC Barcelona this season to see out his four-year contract signed in 2017.
In terms of the title race, reigning champions Real Madrid will be confident of defending their crown - not because they look any stronger than they did last season, but because main rivals, FC Barcelona and Atletico Madrid (at the moment at least) look weaker.
All five infected people have been dropped from the race bubble and been put in medical quarantine. Enditem
Things nearly got a lot worse for Zall before going off at half-time, when the ever-lively Zhang broke free once again, but this time his shot was well saved by the goalpost.
Due to the pandemic, this year's Expo was held both online and offline. At the Expo in Beijing, more than 500 Chinese and foreign brands from more than 20 countries and regions showcased their products and services.
Speaking at the Olympic city development forum, Dubi praised the preparations of Beijing 2022 during the current global crisis.
However, it was a day of mixed feelings for local fans because fellow Frenchman Thibaut Pinot fell on the second climb of the day and finished over 25 minutes behind Peters, whose hopes of becoming the first home rider to win the Tour since 1985 have diminished, as he sits around 19 minutes behind on the overall standings.