Washington Capitals' Michal Neuvirth, of the Czech Republic, in action during a preseason NHL hockey game against the Philadelphia Flyers, Monday, Sept. 16, 2013, in Philadelphia. (AP Photo/Matt Slocum)
Tomas Berdych, of the Czech Republic returns a shot to Julien Benneteau, of France, during the third round of the 2013 U.S. Open tennis tournament, Sunday, Sept. 1, 2013, in New York. (AP Photo/Kathy Willens)
Petra Kvitova of the Czech Republic reacts during a first round match against Misaki Doi, of Japan, at the 2013 U.S. Open tennis tournament Tuesday, Aug. 27, 2013, in New York. (AP Photo/Mike Groll)
Novak Djokovic of Serbia reacts after beating Tomas Berdych of the Czech Republic in a Men's singles quarterfinal match at the All England Lawn Tennis Championships in Wimbledon, London, Wednesday, July 3, 2013.(AP Photo/Sang Tan)