The Indo-Czech pair beat Germany's Andreas Beck and Dominik Meffert in the quarter-finals.
The second seeded pair suffered a straight set loss against Sweden's Jonas Bjorkman and Max Mirnyi of Belarus.
Apollo Tyres Ltd on Tuesday signed up the doubles team of India's Mahesh Bhupathi and Radek Stepanek of the Czech Republic for the ATP and Gland Slam tours of 2007.
Leander Paes and Radek Stepanek laboured their way to the pre-quarterfinals of the Miami Masters after downing Marcos Baghdatis and Sam Querrey.
Leander Paes inched closer to his first-ever Australian Open title by making it to the doubles quarter-finals along with Radek Stepanek but it was all over for his compatriots Mahesh Bhupathi and Rohan Bopanna.
Czech Radek Stepanek became the first defending champion to lose in the first round of the San Jose Open in 20 years when he was ousted by Belgian Xavier Malisse 6-3, 6-4 on Wednesday.
Mahesh Bhupathi and Rohan Bopanna may meet Leander Paes and Radek Stepanek in the summit clash of the Shanghai Masters after reaching the semifinals of the elite ATP tournament on Friday.
Leander Paes and Martin Damm were ousted in the first round at the Dubai Open.
Leander Paes and his Czech partner Radek Stepanek entered the third round of the US Open men's doubles event after getting the better of Brazilians Joao Souza and Thomaz Bellucci.
Tommy Robredo reached the final of a Master Series event for the first time when he beat Mario Ancic of Croatia.
Leander Paes and Radek Stepanek stormed into the semi-final with an unbeaten record as they overcame a stiff challenge from the Bryan brothers in their last Group A match in London.
Leander Paes and Radek Stepanek survived a first round scare but Sania Mirza and Cara Black were dumped from the women's doubles event of the Wimbledon Championships in London on Sunday.
The Indian duo of Mahesh Bhupathi and Rohan Bopanna has set up a summit clash with Leander Paes and his Czech partner Radek Stepanek after both the pairs won their respective semi-final matches in the Shanghai Masters on Saturday.
Leander Paes and his Czech partner Radek Stepanek faltered at the final hurdle as they suffered an upset straight-set defeat at the hands of Alexander Peya of Austria and Brazil's Bruno Soares to finish runners-up at the ATP Japan Open in Tokyo on Sunday.
Top seeded duo Leander Paes and Radek Stepanek had to work hard before grinding down unseeded rivals Filip Polasek and Julian Knowle in the opening round of the ATP Japan Open, in Tokyo on Thursday.
The fifth seeds advanced to the final of the men's doubles at the US Open on Thursday after their Spanish opponents Marcel Granollers and Marc Lopez had to retire because of injury.
Mahesh Bhupathi and Radek Stepanek advanced to the second round of the Monte Carlo Masters with a straight-sets victory over Frenchmen Arnaud Clement and Michael Llodra.
American twins Bob and Mike Bryan fell short in their bid to capture a calendar-year Grand Slam when they lost to Czech Radek Stepanek and India's Leander Paes in the men's doubles semi-finals.
Leander Paes and Radek Stepanek upset defending champions Bob and Mike Bryan to move into the men's doubles final of the US Open on Thursday. The pair, seeded fourth, bested the top seeded American dup 3-6, 6-3, 6-4.
Leander Paes and his Czech partner Radek Stepanek's campaign in the BNP Paribas Open came to an end after they lost 6-3, 7-6(5) to Spain's Rafael Nadal and Marc Lopez at Indian Wells on Wednesday.
Mahesh Bhupathi and Rohan Bopanna won their first match at the ATP World Tour Finals, scoring a 6-3, 5-7, 10-5 victory over Robert Lindstedt and Horia Tecau in Group B to keep their semi-final hopes alive, while Leander Paes and Radek Stepanek also made a winning start.
Top seed Andy Roddick rallied for a 2-6, 7-6, 6-4 semi-final victory over Australian Lleyton Hewitt on Saturday, setting up a revenge match with Czech Radek Stepanek in the Memphis Championships final. Fifth-seeded Stepanek, who defeated Roddick in last week's San Jose semi-finals, advance to the title showdown with a 6-3, 6-1 demolition of Israel's Dudi Sela.
The Indo-Czech pair went down to Russia's Mikhail Youzhny and Philipp Kohlschreiber of Germany in the BMW Open.
They beat Jonathan Erlich and Andy Ram to reach the men's doubles quarter-finals of the Australian Open.
Paes and Damm beat Novak Djokovic and Janko Tipsarevic of Serbia 7-6 (6), 4-6, 6-3 at the Australian Open on Thursday.
Tommy Robredo reached the final of a Masters Series event for the first time when he beat Mario Ancic 7-5, 6-4
The 28-year-old from Karvina broke the second-seeded American twice in the third set to seal victory in two hours 20 minutes at the Los Angeles Tennis Center.
Third seeds Leander Paes and Radek Stepanek began their campaign at the season-ending World Tour Finals with a straight sets victory over seventh seeds Aisam-ul-haq Qureshi and Jean-Julien Roger, in Group 'A', in London, on Wednesday. The Indo-Czech pair beat the Pakistan-Dutch combo, runners-up at the Paris Masters last week, 6-4, 7-5.
Leander Paes and Radek Stepanek brushed aside the challenge of Colin Ebelthite and John Peers in straight sets to progress to the second round of the men's doubles event of the Wimbledon championships on Thursday.
Leander Paes and Radek Stepanek, seeded fourth, are drawn against Daniele Bracciali of Italy and Jonathan Erlich of Israel in the first round of the men's doubles at Wimbledon, starting Monday.
The Swiss world number one needed more than 2- hours to squeeze past Czech Radek Stepanek in Melbourne.
While Bhupathi and Rohan Bopanna got the better of Spaniards Marcel Granollers and Rafael Nadal 6-4, 6-3, Paes and his Czech partner Radek Stepanek defeated the British pair Colin Fleming and Ross Hutchins by a similar scoreline.
American Andy Roddick survived a determined fight back from defending champion Radek Stepanek to win the Brisbane International final on Sunday.
Second-seeded James Blake, hunting his first ATP title in six months, booked his place in the Los Angeles Classic final with a 6-3, 4-6, 6-3 victory over South Korea's Lee Hyung-taik on Saturday.
Eighth seed Machac, who won gold in mixed doubles at the Paris Olympics, became the third player from his country to win an ATP 500 title, following Tomas Berdych and Radek Stepanek.
Czech Radek Stepanek beat top seed and defending champion Andy Roddick 3-6, 7-6, 6-4 to reach the San Jose Open final on Saturday.
The world number one was the second big gun of the day to fall to an unseeded player at the Rome Masters after his Swiss compatriot Stanislas Wawrinka beat American James Blake.
The seventh seeded pair beat the Austria-Brazilian combination of Alexander Peya and Bruno Soares 6-3, 5-7, 10-8 in an hour and 42 minutes.
World No 6 Tomas Berdych and Radek Stepanek will spearhead the Czech team when they take on Davis Cup holders Spain in this month's final in Prague.