Rio Olympics Tennis(01 of21)
Open Image ModalJapan\'s Kei Nishikori returns to Great Britain\'s Andy Murray during the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(02 of21)
Open Image ModalJapan\'s Kei Nishikori returns to Great Britain\'s Andy Murray during the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(03 of21)
Open Image ModalKei Nishikori, of Japan, returns against Andy Murray, of England, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. Murray defeated Nishikori. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(04 of21)
Open Image ModalKei Nishikori, of Japan, returns to Andy Murray, of England, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(05 of21)
Open Image ModalGreat Britain\'s Andy Murray returns to Japan\'s Kei Nishikori during the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(06 of21)
Open Image ModalAndy Murray, of England, dashes towardds the net for a return to Kei Nishikori, of Japan, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(07 of21)
Open Image ModalAndy Murray, of England, returns to Kei Nishikori, of Japan, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(08 of21)
Open Image ModalAndy Murray, of England, raises his arms after winning a point late in the second set against Kei Nishikori, of Japan, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. Murray defeated Nishikori. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(09 of21)
Open Image ModalAndy Murray, of England, raises his arms after defeating Kei Nishikori, of Japan, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(10 of21)
Open Image ModalAndy Murray, of England, chases a return to Kei Nishikori, of Japan, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. Murray defeated Nishikori. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(11 of21)
Open Image ModalGreat Britain\'s Andy Murray celebrates defeating Japan\'s Kei Nishikori in the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis Mens(12 of21)
Open Image ModalAndy Murray, of England, celebrates after defeating Kei Nishikori, of Japan, during their semi-final round match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Charles Krupa) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(13 of21)
Open Image ModalGreat Britain\'s Andy Murray celebrates defeating Japan\'s Kei Nishikori in the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(14 of21)
Open Image ModalGreat Britain\'s Andy Murray celebrates defeating Japan\'s Kei Nishikori in the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(15 of21)
Open Image ModalGreat Britain\'s Andy Murray celebrates defeating Japan\'s Kei Nishikori in the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(16 of21)
Open Image ModalJapan\'s Kei Nishikori reacts after losing a point to Great Britain\'s Andy Murray in the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Rio Olympics Tennis(17 of21)
Open Image ModalJapan\'s Kei Nishikori reacts after losing a point to Great Britain\'s Andy Murray in the semifinals of the men\'s singles tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 13, 2016. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
OLYMPICS-RIO-TENNIS-M-SINGLES(18 of21)
Open Image Modal2016 Rio Olympics - Tennis - Semifinal - Men\'s Singles Semifinals - Olympic Tennis Centre - Rio de Janeiro, Brazil - 13/08/2016. Andy Murray (GBR) of Britain shakes hands with Kei Nishikori (JPN) of Japan after winning their match. REUTERS/Kevin Lamarque FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. (credit:Kevin Lamarque / Reuters)
OLYMPICS-RIO-TENNIS-M-SINGLES(19 of21)
Open Image Modal2016 Rio Olympics - Tennis - Semifinal - Men\'s Singles Semifinals - Olympic Tennis Centre - Rio de Janeiro, Brazil - 13/08/2016. Andy Murray (GBR) of Britain shakes hands with Kei Nishikori (JPN) of Japan after winning their match. REUTERS/Toby Melville FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. (credit:Toby Melville / Reuters)
OLYMPICS-RIO-TENNIS-M-SINGLES(20 of21)
Open Image Modal2016 Rio Olympics - Tennis - Semifinal - Men\'s Singles Semifinals - Olympic Tennis Centre - Rio de Janeiro, Brazil - 13/08/2016. Kei Nishikori (JPN) of Japan leaves after losing match against Andy Murray (GBR) of Britain. REUTERS/Toby Melville FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. (credit:Toby Melville / Reuters)
OLYMPICS-RIO-TENNIS-M-SINGLES(21 of21)
Open Image Modal2016 Rio Olympics - Tennis - Semifinal - Men\'s Singles Semifinals - Olympic Tennis Centre - Rio de Janeiro, Brazil - 13/08/2016. Kei Nishikori (JPN) of Japan leaves after losing match against Andy Murray (GBR) of Britain. REUTERS/Toby Melville FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. (credit:Toby Melville / Reuters)