Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Slovakia's Daniela Hantuchova in action against Monica Puig of Puerto Rico. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Slovakia's Daniela Hantuchova in action against Monica Puig of Puerto Rico. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Monica Puig of Puerto Rico in action against Slovakia's Daniela Hantuchova. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Monica Puig of Puerto Rico in action against Slovakia's Daniela Hantuchova. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Monica Puig of Puerto Rico in action against Slovakia's Daniela Hantuchova. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Slovakia's Daniela Hantuchova in action against Monica Puig of Puerto Rico. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Slovakia's Daniela Hantuchova in action against Monica Puig of Puerto Rico. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Slovakia's Daniela Hantuchova in action against Monica Puig of Puerto Rico. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Monica Puig of Puerto Rico in action against Slovakia's Daniela Hantuchova. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Monica Puig of Puerto Rico in action against Slovakia's Daniela Hantuchova. REUTERS/Henry Romero 

Tennis - Mexican Open - Women's Singles - Second Round - Acapulco, Mexico- 01/03/17. Monica Puig of Puerto Rico in action against Slovakia's Daniela Hantuchova. REUTERS/Henry Romero 

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 28/6/16 Slovakia's Daniela Hantuchova in action against USA's Christina McHale REUTERS/Paul Childs 

Russia's Svetlana Kuznetsova hits a shot during her first round match against Slovakia's Daniela Hantuchova at the Australian Open tennis tournament at Melbourne Park, Australia, January 18, 2016. REUTERS/Brandon Malone 

Russia's Svetlana Kuznetsova hits a shot during her first round match against Slovakia's Daniela Hantuchova at the Australian Open tennis tournament at Melbourne Park, Australia, January 18, 2016. REUTERS/Brandon Malone 

Russia's Svetlana Kuznetsova (L) shakes hands with Slovakia's Daniela Hantuchova after Kuznetsova won their first round match at the Australian Open tennis tournament at Melbourne Park, Australia, January 18, 2016. REUTERS/Brandon Malone 

Heather Watson of Britain celebrates after winning her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain celebrates after winning her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain celebrates after winning her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain celebrates after winning her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain celebrates after winning her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain celebrates after winning her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain hits a shot during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain keeps her eye on the ball during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain hits a shot during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain reacts during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain reacts during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain hits a shot during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Daniela Hantuchova of Slovakia heeps her eye on the ball during her match against Heather Watson of Britain at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Daniela Hantuchova of Slovakia serves during her match against Heather Watson of Britain at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain hits a shot during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain hits a shot during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain serves during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Heather Watson of Britain hits a shot during her match against Daniela Hantuchova of Slovakia at the Wimbledon Tennis Championships in London, July 1, 2015. REUTERS/Suzanne Plunkett

Tennis - Aegon Classic - Edgbaston Priory Club, Birmingham - 16/6/15
A game of football takes place in a field behind the outside courts as Slovakia's Daniela Hantuchova is in action in the first round below
Action Images via Reuters / Andrew Boyers
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Tennis - Aegon Open - Nottingham Tennis Centre - 9/6/15
Slovakia's Daniela Hantuchova in action during the first round
Action Images via Reuters / Andrew Boyers
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Tennis - Aegon Open - Nottingham Tennis Centre - 9/6/15
Slovakia's Daniela Hantuchova looks dejected as she waves to fans after defeat in the first round
Action Images via Reuters / Andrew Boyers
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Tennis - Aegon Open - Nottingham Tennis Centre - 9/6/15
Slovakia's Daniela Hantuchova in action during the first round
Action Images via Reuters / Andrew Boyers
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Tennis - Aegon Open - Nottingham Tennis Centre - 9/6/15
Slovakia's Daniela Hantuchova in action during the first round
Action Images via Reuters / Andrew Boyers
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Daniela Hantuchova of Slovakia plays a shot to Belinda Bencic of Switzerland during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier

Daniela Hantuchova of Slovakia plays a shot to Belinda Bencic of Switzerland during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier

Belinda Bencic of Switzerland reacts during the women's singles match against Daniela Hantuchova of Slovakia at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier

Belinda Bencic of Switzerland plays a shot to Daniela Hantuchova of Slovakia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier

Belinda Bencic of Switzerland prepares to play a shot to Daniela Hantuchova of Slovakia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier 

Belinda Bencic of Switzerland prepares to play a shot to Daniela Hantuchova of Slovakia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier 

Belinda Bencic of Switzerland plays a shot to Daniela Hantuchova of Slovakia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SPORT TENNIS)

Belinda Bencic of Switzerland prepares to play a shot to Daniela Hantuchova of Slovakia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 26, 2015. REUTERS/Jean-Paul Pelissier

Slovakia's Daniela Hantuchova reacts while returning the ball to Romania's Simona Halep during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep returns the ball to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep serves to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep returns the ball to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Slovakia's Daniela Hantuchova returns the ball to Romania's Simona Halep during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Slovakia's Daniela Hantuchova returns the ball to Romania's Simona Halep during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Slovakia's Daniela Hantuchova returns the ball to Romania's Simona Halep during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep lines the ball before return to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep returns the ball to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep returns the ball to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep returns the ball to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Romania's Simona Halep returns the ball to Slovakia's Daniela Hantuchova during their women's singles tennis match at the WTA Dubai Tennis Championships February 17, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Slovakia's Daniela Hantuchova reatcs during her women's singles tennis match against Mona Barthel of Germany at the WTA Dubai Tennis Championships February 16, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS) 

Slovakia's Daniela Hantuchova returns the ball to Mona Barthel of Germany during their women's singles tennis match at the WTA Dubai Tennis Championships February 16, 2015. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT TENNIS)