Rafael Nadal was forced to retire with cramps while Carlos Moya defeated Novak Djokovic.
The Indo-Czech pair beat the Danish-German pair of Kristian Pless and Benjamin Becker in the quarter-finals.
Britain's grass season claimed its first ATP tour victims when seeds Julien Benneteau, Lee Hyung-Taik and Fernando Verdasco fell.
They reached the fourth round of the Pacific Life Open on Monday.
Mahesh Bhupathi and Radek Stepanek scraped through into the third round of the Australian Open.
The Indo-Czech pair downed Australia's Nathan Healey and Robert Smeets 6-4, 6-2.
Argentine Gaston Gaudio made a comfortable start to his French Open title defence by beating Frenchman Julien Benneteau 7-5, 6-0, 6-1 on Monday.
Roger Federer was back to his best on Tuesday to reach the last eight at the Sony Ericcson Open with a 7-6, 6-2 win over Jose Acasuso.
Leander Paes and his Italian partner Daniele Bracciali stormed into the semi-finals of the Thailand Open, in Bangkok, defeating the Colombian pair of Juan Sebastian Cabal and Robert Farah on Thursday.
Rohan Bopanna and Aisam-ul-haq Qureshi scored their first victory since reuniting as a team, overcoming a spirited challenge from Jean-Julien Roger and Horia Tecau in the first round of the ATP Apia International, in Sydney on Tuesday.
Unheralded Joao Sousa completed a fairytale run at the Malaysian Open on Sunday when he beat France's Julien Benneteau 2-6, 7-5, 6-4 in the final to become the first Portuguese to win an ATP Tour title.
Nicolas Mahut and Pierre-Hughes Herbert became the third home duo to win the French Open men's doubles when they beat second seeds Oliver Marach and Mate Pavic 6-2, 7-6(4) on Saturday.
Australian Open tournament director Craig Tiley has defended giving Roger Federer 'prime time' treatment at the year's first Grand Slam, saying it was a matter of meeting fans and broadcasters' demands for the 'box office' athlete.
Paes-Shamsasdin also in last four
Switzerland's Roger Federer, who has been hampered by back problems, has been named to play in the second singles rubber of the Davis Cup final against France's Gael Monfils on Friday, organisers announced on Thursday.
Paes and his Italian partner Daniele Bracciali were shown the exit at the Thailand Open, in Bangkok, while Somdev and his South African partner Rik De Voest went down fighting in their last four match at the Malaysian Open, in Kuala Lumpur.
Andy Murray is within one match of securing his place in the ATP World Tour Finals after easing past local favourite Julien Benneteau 6-3, 6-4 on Wednesday to advance to the third round of the Paris Masters.
Roger Federer battled back from two sets down and double match point to defeat 20th seed Gael Monfils 4-6, 3-6, 6-4, 7-5, 6-2 to reach the semi-finals of the U.S. Open on Thursday.
From potential dark horses to former champions, here are the players who were knocked out of the Australian Open on Thursday
Two-time champion Novak Djokovic thumped Spain's David Ferrer 6-4, 6-2 to march into the last four of the Shanghai Masters on Friday and set up a semi-final showdown with third seed Roger Federer.
Somdev Devvarman recovered from his shock Chennai Open defeat against little-known compatriot Ramkumar Ramanathan to edge past Belgium's Niel Desein in a tight opening round of the ATP Apia International qualifiers in Sydney on Saturday.
Serena Williams faces her first seeded opponent at the French Open on Thursday and will hope to use her booming serve to beat Australian Ashleigh Barty in the second round.
Former world number one Serena Williams returns to Grand Slam action for the first time in over 15 months, when she goes up against Czech Kristyna Pliskova in the French Open first round.
Bob and Mike Bryan thrashed French duo Julien Benneteau and Edouard Roger-Vasselin 6-0, 6-3 to reach the final of the ATP World Tour Finals on Saturday.
Rohan Bopanna and Aisam-ul-Haq Qureshi progressed to the semi-finals of the Sydney International, but Leander Paes failed to rescue his 2014 season from a poor start as he and Czech partner Radek Stepanek crashed out in the first round.
John Isner pushed on towards a Tour finals spot on Friday when he made it through to the semi-finals of the Paris Masters with a 6-4, 6-7(5), 6-4 win over Argentine Juan Martin Del Potro as the tournament was hit by the withdrawal of Rafael Nadal.
Roger Federer kept up his hopes of finishing the year as World No 1 when he downed Frenchman Jeremy Chardy 7-6(5), 6-7(5), 6-4 in the second round of the Paris Masters on Wednesday.
France emerged teary-eyed and triumphant from a weekend of grit and inspiration to claim their first Fed Cup title in 16 years with a 3-2 win on Sunday over hosts Australia.
Sania and her American partner Bethanie-Mattek Sands shocked second seeds Martina Hingis and Flavia Penneta, winning 6-3, 6-3 in the quarter-finals of Apia International. Rohan Bopanna and Daniel Nestor beat the Italian pair of Simone Bolelli and Fabio Fognini.
The 17-times Grand Slam champion, looking to give Switzerland their first Davis Cup title, lost his first singles rubber against Gael Monfils on Friday five days after withdrawing from the World Tour final against Novak Djokovic.
Top seed Roger Federer needed less than an hour to dispatch Benoit Paire 6-1, 6-3 and reach the quarter-finals of the Swiss Indoors tournament on Thursday -- treating his home fans to another masterclass.
France will meet Serbia in the semi-finals of the Davis Cup after both finished off their last-eight ties inside two days on Saturday but Australia and Belgium were made to sweat.
Belgium's chances of claiming a maiden Davis Cup title against hosts France remained intact after Friday's opening singles, in which David Goffin made a huge impression, were tied 1-1.
David Goffin put the visitors ahead by beating Lucas Pouille in the opening singles before Jo-Wilfried Tsonga levelled for 1-1 when he defeated Steve Darcis in the second singles on Friday.
Serbia's Novak Djokovic is the top seed in the men's draw which includes five-times US Open champion and 17-times Grand Slam winner Roger Federer as seventh seed - his first time the Swiss has been placed outside the top three in a Grand Slam in over ten years.
Having stolen the limelight from Davis Cup stalwart Stan Wawrinka, Roger Federer quickly turned attention towards his Switzerland team mates after securing the winning point in the final against France on Sunday.
Roger Federer produced a vintage performance to crush Richard Gasquet 6-4, 6-2, 6-2 and seal Switzerland's maiden Davis Cup title with a 3-1 win over hosts France on Sunday.
World number five Juan Martin del Potro began his 2014 season with a win, albeit a scrappy one over Frenchman Nicolas Mahut to advance to the quarter-finals of the Sydney International on Wednesday.