Alexander Zverev became the first German to reach the last four at the ATP Finals for 15 years as he beat American John Isner 7-6(5), 6-3 at the O2 Arena on Friday.
The Indian ace and Robby Ginepri went down to wild card entrants Rainer Schuettler and Michael Kohlmann in the Hambuirg Masters.
Spanish top seed Rafa Nadal overcame stubborn second-set resistance from compatriot Tommy Robredo to reach the Shanghai Masters quarter-finals 6-1, 6-4 on Thursday. Second seed Novak Djokovic again looked impressive as he continued his imperious form in China with a 6-4, 6-2 thrashing of German qualifier Rainer Schuettler.
Somdev Devvarman's Chennai Open adventure had a disastrous end on Wednesday. He was thrashed by Janko Tipsarevic in the second round. The fourth seed from Serbia played near-flawless tennis to hand the Indian a 6-2, 6-1 pounding and advance to the last eight for the second straight year.
Somdev Devvarman's fans may still be relishing his stunning victories over Carlos Moya and Ivo Karlovic but the new Indian tennis star has left behind those wins and is completely focussed on the title clash of the Chennai Open against third seed Marin Cilic on Sunday.
Best buddies Sam Querrey and Mardy Fish will have to put friendship aside for an hour or so after reaching the Queen's Club grasscourt final.
Newcomers Serbia clinched the World Team Cup in Duesseldorf on Saturday after winning both singles matches against hosts Germany in the final. Janko Tipsarevic gave Serbia their second, winning point when he beat Philipp Kohlschreiber 6-2, 6-4 for an unassailable 2-0 lead with the doubles rubber remaining. The Serbs, who also won all three group matches, grabbed the lead when Viktor Troicki edged past Rainer Schuettler 6-4 7-6.
Somdev Devvarman making it to the final of the Chennai Open last year was a great achievement but there was something that robbed a little shine off it.
Last year's finalist and India's top singles players in the ATP, Somdev Devvarman has been drawn to play German Rainer Schuettler in the first round main draw of the Chennai Open ATP Tennis tournament on Monday.
Third-seeded Croatian Marin Cilic strolled into the final of the Chennai Open on Saturday after demolishing Spaniard Marcel Granollers 6-4 6-3.
The International Tennis Federation reacted with dismay after German Rainer Schuettler was told he could compete in the Beijing Olympics following a Court of Arbitration for Sport hearing.
Indian Davis Cupper Prakash Amirtraj remained a pedestrian yet another time as he lost his first-round match to higher rated and fifth-seed Rainer Schuettler of Germany 2-6, 6-4, 1-6 in 85 minutes, even as Rohan Bopanna made his passage to the main draw after winning his final qualifying match in the $ 450,000 ATP Chennai Open on Monday night.
The Indo-Pak pair entered their sixth straight semi-final when they beat Sander Groen and Florian Mayer at the Malaysia ATP Challenger.
German Rainer Schuettler grabbed the last Wimbledon men's semi-final spot on Thursday with a dogged 6-3 5-7 7-6 6-7 8-6 win over France's Arnaud Clement in a match lasting more than five hours.
Meanwhile, Mahesh Bhupathi and Radek Stepanek from the Czech Republic advanced to the third round, beating Spaniard Guillermo Garcia-Lopez and Filippo Volandri of Italy.
Second seed David Nalbandian of Argentina will play Kristian Piess of Denmark in the first round of the Chennai Open.
The Indo-Belarussian pair beat Argentina's Martin Garcia and Sebastian Prieto at Flushing Meadows.
The Argentine clay specialist thrashed Germany's Rainer Schuettler 6-2, 6-1, 6-3 in the Monte Carlo Masters final.
Paradorn Srichaphan downed Germany's Rainer Schuettler 6-3, 6-3 in the first round of the China Open.
Roger Federer enjoyed a smooth 6-3, 6-2 win over Robin Vik in the quarterfinal of the Dubai Open.
The Indo-Belarusian pair lost to top seeds Mark Knowles and Daniel Nestor in the doubles semi-finals at the Madrid Masters.\n\n
The fourth seeds got a walkover after their opponents Rainer Schuettler of Germany and Mikhail Youzhny of Russia did not turn up.
The 26-year-old has already done enough to replace Tommy Haas as the\n\nGerman No. 1 when the latest world rankings are released on Monday.
The world number one beat Jiri Novak of the Czech Republic 6-3, 6-4 in the semi-final of the Halle Open.
The world number one went down to Spain's Albert Costa in the second round of the Rome Masters.
The world number one repeated his Australian Open final victory over Marat Safin with a 7-6, 7-6 win to reach the second round of the Dubai Open.
World number one Roger Federer breezed through to the Halle Open semi-finals with a 6-3, 6-4 win over Germany's Philipp Kohlschreiber.
The third seed Thai was two points away from defeat against close friend Lee Hyung-taik at the Japan Open.
The Indo-Australian pair got the better of Rainer Schuettler and Mikhail Youzhny 4-6, 6-4, 6-2 in the second round of Dubai Open.
Andre Agassi retained his majestic touch to crush German Rainer Schuettler 6-3, 6-1, 6-0 in Melbourne.
Germany's Rainer Schuettler and Taipei's Yen Hshun Lu upset the top-seeded pair 7-5, 4-6, 7-6(7-4) on Sunday night.
Third seed Rainer Schuettler of Germany was the first casualty at the ATP Chennai Open.
The fifth seeds were shocked by Germany's unseeded pair of Nicolas Kiefer and Rainer Schuettler 6-3, 6-3 in the semi-finals.