After a fan repeatedly branded Daniil Medvedev "a loser" the world No. 1 answered emphatically.
Marketa Vondrousova has withdrawn from the US Open with a continuing wrist injury.
The King of Clay returns to the hard courts this week for the first time since March. His expectations are not out of order, even as he has a shot at claiming the No.1 ranking.
Taylor Fritz, Frances Tiafoe, Tommy Paul, Jack Sock and Rajeev Ram named to U.S. Davis Cup team.
US Open champion shares her feelings ahead of her showdown vs. Serena Williams in Cincinnati on Tuesday.
The pair notched their second doubles title and both achieve ranking milestones.
John McEnroe makes a strong Serena Williams statement.
