The Latest: Serena Williams wins 1st set vs Sakkari at Open

Serena Williams has taken the first set of her U.S. Open fourth-round match against Maria Sakkari by a 6-3 score

NEW YORK — The Latest on the U.S. Open tennis tournament (all times EDT):

12:50 p.m.

Serena Williams has taken the first set of her U.S. Open fourth-round match against Maria Sakkari by a 6-3 score.

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12:05 p.m.

Serena Williams and Maria Sakkari are on court in Arthur Ashe Stadium to warm up for their fourth-round meeting at the U.S. Open.

It is a rematch of a contest Sakkari won less than two weeks ago at the Western & Southern Open, a hard-court tournament played this year at Flushing Meadows.

Williams owns six U.S. Open titles and 23 Grand Slam singles championships in all.

Sakkari, a 25-year-old from Greece, is trying to reach her first Grand Slam quarterfinal.

The winner will face Alize Cornet or Tsvetana Pironkova next.

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