The clang of the advertising sign must have served as a wake-up call for a frustrated Andy Murray.
The world's best tennis players will be trying to one-up each other this week at the ATP World Tour Finals.
Frenchman Jo-Wilfried Tsonga and Serbia's Janko Tipsarevic secured the last two places for the season-ending ATP World Tour Finals after reaching the quarterfinals of the Paris Masters on Thursday.
The first round of the 2013 Davis Cup could feature a matchup between Roger Federer and Tomas Berdych, the man who beat him in the quarterfinals of the U.S. Open two weeks ago.
Tomas Berdych defeated Carlos Berlocq in three sets Sunday to put the Czech Republic into the Davis Cup final against Spain.
Former U.S. Open champion Juan Martin del Potro will open against Radek Stepanek in the Davis Cup semifinal between Argentina and the Czech Republic.
The weather was much better at the U.S. Open on Sunday. So was Novak Djokovic.
Standing only about a foot from the net, Serena Williams wound up that ferocious backhand and pounded it away for another easy winner.
The U.S. Open is the only Grand Slam tournament that schedules two men's semifinals on Saturday. If both aren't completed Saturday, the men's final can't be played as scheduled Sunday and needs to be delayed until Monday — which has happened each of the past four years in New York.