Dubai Open: Sania Mirza-Barbora Strycova ease into women's doubles semis after thrilling quarter-final win
The third seeded duo registered a convincing 6-2, 7-5 win over American pair of Abigail Spears and Katarina Srebotnik in a thrilling quarter-final encounter.
Djokovic had accepted a wildcard into the Mexican tournament which boasts a strong field including Australian Open finalist Rafa Nadal and world number four Milos Raonic.
Argentina`s Del Potro, the 2011 Delray Beach champion playing just his second match of 2017, held on to beat the 24-year-old Bosnian 7-6 (7/5), 4-6, 6-3.
The 29-year-old will first have to get by Elina Svitolina, on course for her own breakthrough into a first-time top 10 ranking if she can win the event.
The 25-year-old, who won at Queen`s in 2014, sees himself as a better player now than he was three years ago.
Raonic, who reached the tie-breaker with his 11th ace and reached match point with his last ace, booked a Friday quarter-final matchup against British eighth seed Kyle Edmund,
The top seeded German, who held the top WTA spot in 2016 before Serena Williams took back in September could regain the number one ranking if she wins the Gulf event on Saturday.
The Japanese world number five, was broken in the first game en route to losing the match in 79 minutes.
Former WTA world number one Wozniacki had only limited turnaround time to adjust to what many feel is a faster court in the emirate compared to last week`s venue.
Federer, who beat Nadal in an epic five-set Australian Open final last month, admitted yesterday at the unveiling of the new tournament scheduled for Prague in September.
Nishikori was seeking a 12th career crown but he will get another opportunity next week when he plays as top seed at the Rio clay-court tournament.
Jo-Wilfried Tsonga shrugged off the absence of his coach to defeat David Goffin 4-6, 6-4, 6-1 on Sunday and earn a first career title at the Rotterdam World Tennis tournament.
The 27-year-old will be chasing his 12th career title on Sunday and third on clay after triumphs in Barcelona in 2014 and 2015.
The French sixth seed will compete for his first title at the Ahoy stadium after finishing runner-up six years ago.
The 24-year-old Czech, seeded number two, took just under an hour and 20 minutes to end the former world number one`s hopes of a first success of 2017, breaking the Dane`s serve in the opening game and rarely looking back.
Mirza and Strycova defeat at the hands of USA`s Abigail Spears and Slovenia`s Katarina Srebotnik in a thrilling last-four clash that lasted an hour and 10 minutes.