Kei Nishikori
Latest Stories

key_biscayne_tennis_12977.jpg
Fabio Fognini, of Italy, returns the ball to Kei Nishikori, of Japan, during the Miami Open tennis tournament, Wednesday, March 29, 2017, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

key_biscayne_tennis_77786.jpg
Kei Nishikori, of Japan, puts ice on his face during his match against Federico Delbonis during the Miami Open tennis tournament, Tuesday, March 28, 2017, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)

indian_wells_tennis_01868.jpg
Kei Nishikori, of Japan, returns a shot to Jack Sock at the BNP Paribas Open tennis tournament, Friday, March 17, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_06742.jpg
Jack Sock returns a shot to Kei Nishikori, of Japan, at the BNP Paribas Open tennis tournament, Friday, March 17, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_67469.jpg
Kei Nishikori, of Japan, returns a shot to Jack Sock at the BNP Paribas Open tennis tournament, Friday, March 17, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_30212.jpg
Jack Sock returns a shot to Kei Nishikori, of Japan, at the BNP Paribas Open tennis tournament, Friday, March 17, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_40443.jpg
Donald Young returns a shot to Kei Nishikori, of Japan, at the BNP Paribas Open tennis tournament, Wednesday, March 15, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_32885.jpg
Kei Nishikori, of Japan, returns a shot to Donald Young at the BNP Paribas Open tennis tournament, Wednesday, March 15, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_47327.jpg
Donald Young reacts after losing a point to Kei Nishikori, of Japan, at the BNP Paribas Open tennis tournament, Wednesday, March 15, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

indian_wells_tennis_71542.jpg
Gilles Muller, of Luxembourg, returns a shot to Kei Nishikori, of Japan, at the BNP Paribas Open tennis tournament, Tuesday, March 14, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)

8_9_2015_washington-tennis-2-68201.jpg
Kei Nishikori celebrates after he beat John Isner 4-6, 6-4, 6-4, in a men's singles final match at the Citi Open on Sunday at the Rock Creek Park Tennis Center. (Associated Press)

0f2dbc6931c97a12740f6a706700743c.jpg
Kei Nishikori of Japan, right, shakes hands with Santiago Giraldo of Colombia, at the end of the Barcelona open tennis tournament in Barcelona, Spain, Thursday, April 23, 2015. (AP Photo/Manu Fernandez)

2014 US Open Tennis_Lanc(22).jpg
Marin Cilic, of Croatia, reacts after a shot against Kei Nishikori, of Japan, during the championship match of the 2014 U.S. Open tennis tournament, Monday, Sept. 8, 2014, in New York. (AP Photo/Mike Groll)

db3bc2991451f3235e0f6a706700bb83.jpg
Kei Nishikori, of Japan, reacts after defeating Novak Djokovic, of Serbia, during the semifinals of the 2014 U.S. Open tennis tournament, Saturday, Sept. 6, 2014, in New York. (AP Photo/Darron Cummings)

2014 US Open Tennis_Lanc(16).jpg
Kei Nishikori, of Japan, reacts after defeating Stan Wawrinka, of Switzerland, in five sets during the quarterfinals of the 2014 U.S. Open tennis tournament, Wednesday, Sept. 3, 2014, in New York. (AP Photo/Mike Groll)

7_302014_washington-tennis-38201.jpg
Fourth seed Kei Nishikori returns the ball to Sam Querrey in his 6-4, 5-7, 6-4 victory at the Citi Open on Wednesday in the District. Players like Nishikori hope to use the Citi Open as a springboard in moving up the ATP rankings and narrow the gap between them and the top five players in the world. (Associated Press)

ec3e368491b24314550f6a706700031e.jpg
Japan's Kei Nishikori returns the ball during the first round match of the French Open tennis tournament against Slovakia's Martin Klizan at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/David Vincent)

ecb132f691d84414550f6a7067005ba6.jpg
Slovakia's Martin Klizan celebrates defeating Japan's Kei Nishikori in three sets 7-6, 6-1, 6-2, in the first round match of the French Open tennis tournament at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. (AP Photo/David Vincent)

54d8300991d54414550f6a7067000835.jpg
Japan's Kei Nishikori throws his racket after missing a return during the first round match of the French Open tennis tournament against Slovakia's Martin Klizan at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. Nishikori lost in three sets 6-7, 1-6, 2-6. (AP Photo/David Vincent)