NEW YORK, NEW YORK - SEPTEMBER 02: Marin Cilic of Croatia returns a shot during his Men's Singles fourth round match against Rafael Nadal of Spain on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain reacts after hitting a ball around the post to get to match point against Marin Cilic of Croatia during their match on the eighth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA. EPA
Rafael Nadal, of Spain, reacts after winning his match against Marin Cilic, of Croatia, during the fourth round of the U.S. Open tennis tournament in New York. AP
Rafael Nadal, of Spain, reacts after defeating Marin Cilic, of Croatia, during the fourth round of the U.S. Open tennis tournament in New York. AP
Marin Cilic of Croatia (L) shakes hands with Rafael Nadal of Spain after losing to him int heir Men's Singles fourth round match on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain celebrates after winning his Men's Singles fourth round match against Marin Cilic of Croatia on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Professional golfer Tiger Woods attends the Men's Singles fourth round match between Rafael Nadal of Spain and Marin Cilic of Croatia on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain returns the ball against Marin Cilic of Croatia in their Round Four Men's Singles tennis match during the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Marin Cilic, of Croatia, serves to Rafael Nadal, of Spain, during the fourth round of the U.S. Open tennis tournament in New York. AP
Marin Cilic of Croatia hits a return to Rafael Nadal of Spain during their Round Four Men's Singles match at the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Rafael Nadal of Spain serves to Marin Cilic of Croatia in the fourth round on day eight of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Reuters
Rafael Nadal, of Spain, slides after running to return a shot to Marin Cilic, of Croatia, during the fourth round of the U.S. Open tennis tournament. AP
US actor Alec Baldwin and his wife Hilaria watch the match between Rafael Nadal of Spain and Marin Cilic of Croatia during their Round Four Men's Singles match at the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
US golfer Tiger Woods reacts as he watches Rafael Nadal of Spain play Marin Cilic of Croatia during their match on the eighth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA. EPA
Rafael Nadal of Spain reacts to his victory against Marin Cilic of Croatia in their Round Four Men's Singles tennis match during the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Rafael Nadal of Spain returns the ball against Marin Cilic of Croatia in their Round Four Men's Singles tennis match during the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Marin Cilic of Croatia serves during his Men's Singles fourth round match against Rafael Nadal of Spain on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain serves during his Men's Singles fourth round match against Marin Cilic of Croatia on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
NEW YORK, NEW YORK - SEPTEMBER 02: Marin Cilic of Croatia returns a shot during his Men's Singles fourth round match against Rafael Nadal of Spain on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain reacts after hitting a ball around the post to get to match point against Marin Cilic of Croatia during their match on the eighth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA. EPA
Rafael Nadal, of Spain, reacts after winning his match against Marin Cilic, of Croatia, during the fourth round of the U.S. Open tennis tournament in New York. AP
Rafael Nadal, of Spain, reacts after defeating Marin Cilic, of Croatia, during the fourth round of the U.S. Open tennis tournament in New York. AP
Marin Cilic of Croatia (L) shakes hands with Rafael Nadal of Spain after losing to him int heir Men's Singles fourth round match on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain celebrates after winning his Men's Singles fourth round match against Marin Cilic of Croatia on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Professional golfer Tiger Woods attends the Men's Singles fourth round match between Rafael Nadal of Spain and Marin Cilic of Croatia on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain returns the ball against Marin Cilic of Croatia in their Round Four Men's Singles tennis match during the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Marin Cilic, of Croatia, serves to Rafael Nadal, of Spain, during the fourth round of the U.S. Open tennis tournament in New York. AP
Marin Cilic of Croatia hits a return to Rafael Nadal of Spain during their Round Four Men's Singles match at the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Rafael Nadal of Spain serves to Marin Cilic of Croatia in the fourth round on day eight of the 2019 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Reuters
Rafael Nadal, of Spain, slides after running to return a shot to Marin Cilic, of Croatia, during the fourth round of the U.S. Open tennis tournament. AP
US actor Alec Baldwin and his wife Hilaria watch the match between Rafael Nadal of Spain and Marin Cilic of Croatia during their Round Four Men's Singles match at the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
US golfer Tiger Woods reacts as he watches Rafael Nadal of Spain play Marin Cilic of Croatia during their match on the eighth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA. EPA
Rafael Nadal of Spain reacts to his victory against Marin Cilic of Croatia in their Round Four Men's Singles tennis match during the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Rafael Nadal of Spain returns the ball against Marin Cilic of Croatia in their Round Four Men's Singles tennis match during the 2019 US Open at the USTA Billie Jean King National Tennis Center in New York. AFP
Marin Cilic of Croatia serves during his Men's Singles fourth round match against Rafael Nadal of Spain on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
Rafael Nadal of Spain serves during his Men's Singles fourth round match against Marin Cilic of Croatia on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP
NEW YORK, NEW YORK - SEPTEMBER 02: Marin Cilic of Croatia returns a shot during his Men's Singles fourth round match against Rafael Nadal of Spain on day eight of the 2019 US Open at the USTA Billie Jean King National Tennis Center in Queens borough of New York City. AFP