Tomas Berdych and Jo-Wilfried Tsonga were just one win from securing places in the season-ending ATP World Tour finals after they safely moved into the third round of the Paris Masters on Tuesday.
Somdev Devvarman's lean patch continued as he made another first round exit from the ATP Shanghai Masters after losing in straight sets to Spaniard Guillermo Garcia-Lopez, in Shanghai on Monday.
Andy Roddick won the shootout between former champions when he squeezed past Lleyton Hewitt 7-6, 7-6 to reach the quarter-finals at Queen's Club on Thursday.
Swedish top seed Robin Soderling survived his first real test at the Stockholm Open on Friday, beating Spaniard Guillermo Garcia-Lopez in the quarter-finals 7-6 6-4.
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.
Serbian teenager Novak Djokovic beat Spanish qualifier Santiago Ventura 6-2, 6-2 to enter the quarterfinals.
The top seed crushed Spaniard Guillermo Garcia-Lopez 6-3, 6-2 in a second-round encounter at the Pacific Life Open.
Top seed Nadal beat Guillermo Garcia-Lopez 6-3, 6-2 while Moya overcame Frenchman Florent Serra 6-3, 6-4.
Gaudio beat Guillermo Garcia-Lopez in a three set semi-final at the Estoril Open while Robredo advanced after Carlos Moya retired.
Former champion Paradorn Srichaphan of Thailand overwhelmed Belgian Kristof Vliegen in the ATP Chennai Open.
Spain's David Ferrer, his eyes fixed on qualifying yet again for the ATP World Tour Finals, romped past fellow Spaniard Guillermo Garcia-Lopez 6-1, 6-1 to reach the quarter-finals of the Vienna Open on Thursday.
For all his renowned mental strength it was psychological exhaustion that made Rafael Nadal consider skipping the season-ending ATP World Tour finals this year, the 14-times grand slam champion said on Tuesday.
Roger Federer was giving absolutely no guarantees about his form on Sunday, as the four-time finalist prepared for his first ATP start in more than two months at the Monte Carlo Masters. The 17-time Grand Slam winner will be starting afresh in the second round on the Monte Carlo Country Club clay after his early February knee operation. After hitting for nearly a week at the seaside venue overlooking the Mediterranean, the Swiss said that next week will be key for deciding his further schedule ahead of the French Open - the second major of the season. "I feel more rust than rest, but I am rested, mentally and physically," the 34-year-old said. "I don't think about the Roland Garros title," the 2009 Paris champion added.
India's top tennis players Mahesh Bhupathi, Saketh Myneni, Jeevan Nedunchezhiyan and Sriram Balaji have been granted wild card entries into the doubles draw of Chennai Open, the organisers announced on Monday.
Novak Djokovic had to fight back from a set down to beat Thomaz Bellucci and reach the Italian Open quarter-finals.
Yuki Bhambri became only the third Indian to reach the singles quarter-finals of an ATP World Tour event at home after winning his second round against an unfit world number 16 Fabio Fognini even as Ramkumar Ramanathan's fairytale run came to an end in Chennai on Thursday.
Former world number one Novak Djokovic suffered a surprise second-round exit at the Barcelona Open when the Serb was beaten 6-2, 1-6, 6-3 by world number 140 Martin Klizan on Wednesday.
A dominant Rafael Nadal arrived at one career milestone on Thursday but the speed of the Spaniard's rampage through the early rounds of the French Open suggests his eyes are fixed firmly on another more significant one.
Images from matches played on Day 4 of the Australian Open at Melbourne Park on Thursday