Serena Williams tops schedule with play underway at US Open

NEW YORK (AP) - The Latest on the U.S. Open tennis tournament:

The fourth day of play is underway at the U.S. Open, with Serena Williams, reigning Australian Open champion Sofia Kenin, Andy Murray and Dominic Thiem among those scheduled to take the court. Williams faces Margarita Gasparyan, who is ...
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