Martina Hingis reached the final of the Montreal Cup after Anna Chakvetadze retired.
The duo lost to wild card entrants Ana Ivanovic and Maria Kirilenko 7-6(2), 6-2 in the first round of the Los Angeles Open.
The Indian ace was beaten by the top seeded Swiss girl 6-7(7), 5-7 in the quarter-finals.
They were beaten by Frederic Niemeyer of Canada and Glenn Weiner of the US in the first round at Wimbledon.
'Climbing up a ranking seems to be easier than stabilising a position in the top-20,' says teen tennis sensation Ana Ivanovic.
The 18-year-old became the sixth youngest goalscorer in the history of the World Cup and the youngest Argentine to play in the tournament.
Give us your take on Friday's games in the World Cup!
Former French Open champions Argentine Gaston Gaudio and Spaniards Carlos Moya and Albert Costa have all pulled out of Wimbledon because of injury.
The tournaments involve eight players each, divided into two pools of four on a round-robin basis. Sets have been slashed to best-of-seven games.
Australian Open finalist Marcos Baghdatis lost to Nikolay Davydenko in the third round in Miami
Svetlana Kuznetsova overcame a dogged Shinobu Asagoe 6-1, 5-7, 7-5 on Sunday.
The United States rallied to defeat Serbia and Montenegro 2-1 after Lisa Raymond had lost to Ana Ivanovic.
Paes and Nenad Zimonjic entered the semi-finals of the Madrid Masters beating Mahesh Bhupathi and Martin Damm on Friday.
They will either face Bhupathi-Damm or the Bryan brothers in the second round of the Madrid Masters.
Ukraine's Olena Kostevych outduelled Jasna Sekaric of Serbia and Montenegro in a shoot-off to win the gold.
Striker Didier Drogba scored on his debut as Chelsea won 3-0 in the Champions World Series.
The 25-year-old, who joined PSV from Partizan Belgrade in 2000, was top scorer with 31 goals in the Dutch first division last season.
Jelena Jankovic will either play defending champion Maria Sharapova or Tatiana Golovin in the final.
They won the Monte Carlo Masters doubles at Monaco after their third seeded opponents Bob and Mike Bryan conceded a walk-over in the final.
The Russians will clash in the semi-finals of the China Open.
Yao Ming netting 27 points as his team beat Serbia and Montenegro 67-66 to knock the world champions out of the tournament.
Jelena Jankovic beat the Indian teenager 6-2, 7-6 (3) in the first round of the LA Open.
Joe Cole's first goal gave England a 2-1 victory over Serbia and Montenegro.
39-year-old Arsenal goalkeeper David Seaman was however left out.
The Indo-Czech pair lost to France's Fabrice Santoro and Nenad Zimonjic of Serbia and Montenegro in the men's doubles semi-finals at Wimbledon.
The third seeds were shocked by 16th seeds Julian Knowle of Austria and Nenad Zimonjic of Serbia and Montenegro in the men's doubles third round at Wimbledon.
The top seeds lost to seventh seeds Gaston Etlis and Martin Rodriguez of Argentina in the quarter-finals of the Monte Carlo Masters.\n\n
A summary of Friday's Euro 2020 qualifying matches.
The British number one was fined following his outburst after doubles defeat by Serbia & Montenegro in the Davis Cup
American-born Milorad Cavic hurtled to a world short-course record in the men's 100 metres butterfly final at the European championships on Friday.