TENNIS-AUS-OPEN(01 of10)
Open Image ModalJapan\'s Kei Nishikori plays a forehand return during his men\'s singles match against Spain\'s Guillermo Garcia-Lopez on day five of the 2016 Australian Open tennis tournament in Melbourne on January 22, 2016. AFP PHOTO / PAUL CROCK-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE / AFP / PAUL CROCK (Photo credit should read PAUL CROCK/AFP/Getty Images) (credit:PAUL CROCK via Getty Images)
TENNIS-AUS-OPEN(02 of10)
Open Image ModalSpain\'s Guillermo Garcia-Lopez plays a forehand return during his men\'s singles match against Japan\'s Kei Nishikori on day five of the 2016 Australian Open tennis tournament in Melbourne on January 22, 2016. AFP PHOTO / PAUL CROCK-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE / AFP / PAUL CROCK (Photo credit should read PAUL CROCK/AFP/Getty Images) (credit:PAUL CROCK via Getty Images)
TENNIS-AUS-OPEN(03 of10)
Open Image ModalJapan\'s Kei Nishikori plays a backhand return during his men\'s singles match against Spain\'s Guillermo Garcia-Lopez on day five of the 2016 Australian Open tennis tournament in Melbourne on January 22, 2016. AFP PHOTO / PAUL CROCK-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE / AFP / PAUL CROCK (Photo credit should read PAUL CROCK/AFP/Getty Images) (credit:PAUL CROCK via Getty Images)
2016 Australian Open - Day 5(04 of10)
Open Image ModalMELBOURNE, AUSTRALIA - JANUARY 22: Guillermo Garcia-Lopez of Spain plays a forehand in his third round match against Kei Nishikori of Japan during day five of the 2016 Australian Open at Melbourne Park on January 22, 2016 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images) (credit:Scott Barbour via Getty Images)
TENNIS-AUS-OPEN(05 of10)
Open Image ModalJapan\'s Kei Nishikori plays a forehand return during his men\'s singles match against Spain\'s Guillermo Garcia-Lopez on day five of the 2016 Australian Open tennis tournament in Melbourne on January 22, 2016. AFP PHOTO / PAUL CROCK-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE / AFP / PAUL CROCK (Photo credit should read PAUL CROCK/AFP/Getty Images) (credit:PAUL CROCK via Getty Images)
Australian Open Tennis(06 of10)
Open Image ModalKei Nishikori of Japan celebrates after defeating Guillermo Garcia-Lopez of Spain in their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 22, 2016.(AP Photo/Vincent Thian) (credit:ASSOCIATED PRESS)
Australian Open Tennis(07 of10)
Open Image ModalGuillermo Garcia-Lopez of Spain hits a backhand return to Kei Nishikori of Japan during their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 22, 2016.(AP Photo/Andrew Brownbill) (credit:ASSOCIATED PRESS)
TENNIS-AUS-OPEN(08 of10)
Open Image ModalJapan\'s Kei Nishikori serves against Spain\'s Guillermo Garcia-Lopez during their men\'s singles match on day five of the 2016 Australian Open tennis tournament in Melbourne on January 22, 2016. AFP PHOTO / SAEED KHAN-- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE / AFP / SAEED KHAN (Photo credit should read SAEED KHAN/AFP/Getty Images) (credit:SAEED KHAN via Getty Images)
2016 Australian Open - Day 5(09 of10)
Open Image ModalMELBOURNE, AUSTRALIA - JANUARY 22: Japanese fans show their support during the third round match between Kei Nishikori of Japan and Guillermo Garcia-Lopez of Spain during day five of the 2016 Australian Open at Melbourne Park on January 22, 2016 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images) (credit:Scott Barbour via Getty Images)
Australian Open Tennis(10 of10)
Open Image ModalKei Nishikori of Japan celebrate after defeating Guillermo Garcia-Lopez of Spain in their third round match at the Australian Open tennis championships in Melbourne, Australia, Friday, Jan. 22, 2016.(AP Photo/Vincent Thian) (credit:ASSOCIATED PRESS)