Novak Djokovic of Serbia reacts after losing a point against Roger Federer of Switzerland, during their semifinal match of the Monte Carlo Tennis Masters tournament, in Monaco, Saturday, April, 19, 2014. Federer won 7-6, 6-2. (AP Photo/Claude Paris)
Roger Federer of Switzerland returns the ball to Novak Djokovic of Serbia, during their semifinal match of the Monte Carlo Tennis Masters tournament in Monaco, Saturday, April, 19, 2014. Federer won 7-6, 6-2. (AP Photo/Claude Paris)
Roger Federer of Switzerland acknowledges applause after defeating Novak Djokovic of Serbia, in their semifinal match of the Monte Carlo Tennis Masters tournament, in Monaco, Saturday, April, 19, 2014. Federer won 7-6, 6-2. (AP Photo/Claude Paris)