Belgian Kirsten Flipkens of Manila Mavericks in action against DBS Singapore Slammers Slovak player Daniela Hantuchova during their match of the International Premier Tennis League (IPTL) at Hamdan bin Mohammed bin Rashid Sports Complex in Dubai, United Arab Emirates, 13 December 2014. EPA/ALI HAIDER

Slovak Tennis player Daniela Hantuchova of DBS Singapore Slammers in action againt Manila Mavericks Belgian player Kirsten Flipkens during their match of the International Premier Tennis League (IPTL) at Hamdan bin Mohammed bin Rashid Sports Complex in Dubai, United Arab Emirates, 13 December 2014. EPA/ALI HAIDER

Serbian Novak Djokovic of Musafir.com UAE Royals in action against Micromax Indian Aces French Gael Monfils during their match of the International Premier Tennis League (IPTL) at Hamdan bin Mohammed bin Rashid Sports Complex in Dubai, United Arab Emirates on 13 December 2014. EPA/ALI HAIDER

French Gael Monfis of Micromax Indian Aces in action against Musafir.com UAE Royals Serbian Novak Djokovic during their match of the International Premier Tennis League (IPTL) at Hamdan bin Mohammed bin Rashid Sports Complex in Dubai, United Arab Emirates on 13 December 2014. EPA/ALI HAIDER

Team of Micromax Indian Aces celebrate after winning the International Premier Tennis League (IPTL) at Hamdan bin Mohammed bin Rashid Sports Complex in Dubai, United Arab Emirates on 13 December 2014. EPA/ALI HAIDER

Team of Micromax Indian Aces celebrate after winning the International Premier Tennis League (IPTL) at Hamdan bin Mohammed bin Rashid Sports Complex in Dubai, United Arab Emirates on 13 December 2014. EPA/ALI HAIDER