
Editor's note: The above video is from September 2015.
It wasn’t as easy as the simple score line indicates, but top seed Serena Williams is moving onto the second round of women’s singles in Rio.
American superstar Williams opened her Olympics with a win over Daria Gavrilova, though the Australian made her work.
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Serena’s sister Venus Williams lost to Belgium’s Kirsten Flipkens on Saturday, a day that saw five Americans bounced from tennis tournaments.