Novak Djokovic recovered from a set down to defeat fellow Serb Viktor Troicki 3-6, 6-4, 6-2 in the second round of the Dubai Championships on Wednesday, while India's Somdev Devvarman lost to Cypriot Marcos Baghdatis.
Russian Mikhail Youzhny upset top seed Novak Djokovic 7-6, 7-6 on Saturday to reach the final of the World Indoor Tournament. Sixth seed Youzhny, the 2007 champion, next faces Swede Robin Soderling who overcame Nikolay Davydenko of Russia 7-6, 6-4.
The Spaniard bore little resemblance to the player who once terrorised his opponents as he slumped to a 6-1, 7-6 defeat by Russia's Nikolay Davydenko.
World number 13 Marin Cilic will return to India to defend his Chennai Open title as the Croat has confirmed his participation in the January 5 to 11 event.
Andy Murray overcame a sluggish start before sweeping past Sweden's Thomas Johansson at the $1.5 million Qatar Open.
Andy Roddick put USA's Davis Cup win over Russia on par with his 2003 US Open title
Ninth seed Gilles Simon booked his place in the third round of the Cincinnati Masters on Tuesday after a 7-6, 6-7, 6-1 win over Russian Igor Andreev.
Roger Federer has been drawn with Andy Roddick, Nikolay Davydenko and Fernando Gonzalez at the Shanghai Masters Cup.
Marat Safin has withdrawn from the Russia team for the Davis Cup quarter-final against France with a knee injury
Swiss Federer will be bidding for his fourth consecutive title at Flushing Meadows, while Belgian Henin is hoping to repeat her 2003 triumph.
World number one Rafael Nadal and fourth seed Andy Murray bagged two wins apiece on Friday to set up a mouth-watering Monte Carlo Masters semi-final. Nadal, gunning for his fifth consecutive title in the principality, swept past Croatian Ivan Ljubicic 6-3 6-3 in his quarter-final while Murray battled past Russian eighth seed Nikolay Davydenko 7-6 6-4.
The Australian Open champion will lead Russia in next month's Davis Cup World Group opening round tie against Chile.
Just 24 hours after showing second seed Andy Roddick the exit, the French wildcard ended Hewitt's challenge at the Poertschach International.
The third seeds beat Igor Andreev and Nikolay Davydenko in the second round.
Unseasonal incessant rains washed out the third day's matches at the Chennai Open ATP Tennis tournament on Wednesday even as the event was robbed of its sheen with top seed and world number five Nikolay Davydenko of Russia pulling out owing to a left heel injury.
The Chilean produced a dazzling display to reach the semi-finals of a Grand Slam for the first time.
Second seed Novak Djokovic overpowered seventh-seeded Argentine Juan Martin del Potro 7-5, 6-3 in the opening match of the Masters Cup on Sunday. In the day's second match, fourth-seeded Nikolay Davydenko defeated sixth seed Jo-Wilfried Tsonga 6-7, 6-4, 7-6 after fending off a dramatic comeback by the Frenchman in the third set before a roaring crowd.
Injured world number one Rafael Nadal pledged to do everything in his power to get fit in time for Spain's Davis Cup final against Argentina in just over two weeks.
Jo-Wilfried Tsonga won his maiden Masters Series event when he beat Argentine David Nalbandian 6-3, 4-6, 6-4 in the final of the Paris Masters on Sunday to clinch the last qualifying spot for the season's finale in Shanghai. The 23-year-old Frenchman joined Rafael Nadal, Roger Federer, Novak Djokovic, Andy Murray, Nikolay Davydenko, Andy Roddick and Juan Martin del Potro as the players who qualified for the Masters Cup, which will start on Nov. 9.
Teenager Juan Martin del Potro, making his Davis Cup home debut, demolished a listless Nikolay Davydenko 6-1, 6-4, 6-2 to put Argentina 2-0 ahead in their semi-final against Russia on Friday. David Nalbandian drew first blood for Argentina with a 7-6, 6-2, 6-4 win over Igor Andreev.
Roger Federer reached the Monte Carlo Masters final when Serbian Novak Djokovic pulled out of their semi-final.
The top seeds beat third seed Zimbabwean pair of Wayne Black and Kevin Ullyett 6-3, 7-5 to win the men's doubles title.
World number one Roger Federer recovered from one set down to beat unseeded German Denis Gremelmayr 2-6, 7-5, 6-1 on Saturday to reach his first final of the year at the Estoril Open.
American sixth seed Andy Roddick will play unseeded Spaniard Feliciano Lopez in the final of the Dubai Championships on Saturday. Roddick overcame third seed Novak Djokovic of Serbia 7-6, 6-3 while Lopez recovered from 2-5 in the final set to beat fifth-seeded Russian Nikolay Davydenko 6-4, 4-6, 7-5.
Fifth seed Nikolay Davydenko beat Briton Andy Murray 7-5 6-4 to reach the semi-finals of the Dubai Championships on Thursday.
Top seed Rafael Nadal was stunned 3-6 6-3 6-4 by Italian Andreas Seppi in one of series of second-round upsets at the World Indoor Tournament on Thursday. Second seed Nikolay Davydenko of Russia, third seeded Spaniard David Ferrer and fifth seed Tomas Berdych of the Czech Republic also suffered early exits.
In other first round matches, at the World Indoor Tournament, second seed Nikolay Davydenko beat qualifier Jan Hernych while David Ferrer advanced with a victory over Italy's Simone Bolelli.
Russia benefited from Novak Djokovic's misfortune to sneak into the quarter-finals of the Davis Cup on Sunday. The Serbian, who had been suffering from flu symptoms over the past week, was leading Nikolay Davydenko 6-4, 6-3, 4-6 in the first reverse singles when he abruptly retired to hand Russia an unbeatable 3-1 lead in the first-round tie in Moscow.
Justine Henin and Maria Sharapova set up an explosive Australian Open quarter-final with crushing wins.
Unseeded Swiss Stanislas Wawrinka knocked out defending champion Ivan Ljubicic of Croatia 7-6, 6-4 to reach the Qatar Open final.
David Nalbandian thrashed Ivan Ljubicic 6-2, 6-2 to reach the semi-finals of the Masters Cup
Andre Agassi and Rafael Nadal pulled out of the season-ending Masters Cup on Monday
Federer is chasing a third consecutive finale title -- a feat last achieved by Ivan Lendl in 1985-87.
Defending champion Roger Federer was drawn against Guillermo Coria, Ivan Ljubicic and David Nalbandian in the group stages of the Masters Cup.
Bob and Mike Bryan crushed Russians Nikolay Davydenko and Igor Andreev 7-6, 6-4, 6-2 to give the Americans an unbeatable 3-0 lead in the best-of-five match final.
Russian Nikolay Davydenko's 6-4, 6-3 victory over Chile's Fernando Gonzalez was enough to send Federer through in the Masters Cup. The world number one then destroyed Andy Roddick 6-4, 6-2.
The Swiss beat Nikolay Davydenko 6-4, 6-3 to stay alive in the Tennis Masters Cup in Shanghai, while American Andy Roddick became the first player to book a semi-final spot at the season-ending event in Shanghai after crushing Chile's Fernando Gonzalez 6-1, 6-4.
Croat Ivo Karlovic beat Marat Safin 6-3, 6-4 in the first round of the Madrid Masters.