The former world number one staged a remarkable comeback in the second round of the Hamburg Masters.
The world No. 1 needed just 85 minutes to defeat Mark Philippoussis in the final.
The former world number one completed an edgy 5-7, 7-5, 6-3 victory in his first round match at the Rome Masters.
Third seed Rainer Schuettler was the only high-profile casualty on the first day of the Rome Masters on Monday when he lost 6-2, 2-6, 7-5 to America's Vincent Spadea.
Lleyton Hewitt's run in the Monte Carlo Masters was halted by Germany's Rainer Schuettler.
Former world number ones Lleyton Hewitt and Jennifer Capriati were also shown the exit door in the Nasdaq 100 Open.\n\n
All three advanced to the last 16 of the Australian Open with some style.
Lleyton Hewitt survived a Rainer Schuettler onslaught to advance 7-6, 2-6, 6-4 into round three of the Pacific Life Open.
Local favourites Lleyton Hewitt and Mark Philippoussis were brought to their knees in the fourth round of the Australian Open.\n\n
Paire, ranked 29 in the world, said the sport had become a 'tasteless job'.
Lleyton Hewitt beat Slovakia's Karol Kucera to bring Australia level in their Hopman Cup tie.
The world number two was forced to hobble away from her Hopman Cup match against Alicia Molik.
"I want to play because in four more years I will be 28 years old," Ferrero said.
Juan Carlos Ferrero says he wants to play in the Olympic Games next year, unlike Lleyton Hewitt.
While Djokovic has a firm grip on top spot, there will be a new number two on March 15 in Russian Daniil Medvedev, who will climb one place to his career-best ranking to replace Nadal, who has not played since the Australian Open due to a back injury.
An extended run at the US Open will be a positive finale to a Grand Slam season which has been nothing short of miserable for the former world number one.
The South African saved saved three match points in the deciding set before beating top seed Lleyton Hewitt.
In the semis, Hewitt beat Nicolas Kiefer while Ferreira dumped Mark Philippoussis.
Andre Agassi outlasted unseeded American Robby Ginepri to reach his sixth U.S. Open final and become the oldest man to reach a Grand Slam final in 31 years.
The Australian third seed was too strong and too consistent for the 15th-seeded Slovak as he won in 94 minutes.
With the shock early exit of Hewitt and Agassi none of them has ever passed the semi-finals at Wimbledon.
The 2.08-metre qualifier earned the applause of a tightly packed crowd squashed on to benches round court number 14.
The defending champion was beaten by qualifier Ivo Karlovic of Croatia in the first round at Wimbledon.
The 33-year-old's win over Xavier Malisse in the Stella Artois Championships vaulted him to the top.
Robredo joins compatriots Carlos Moya, Juan Carlos Ferrero and his next opponent, holder Albert Costa, in the last eight.