Nadal will meet defending champion Guillermo Coria in the final of the Monte Carlo Masters.
World No.4 Stan Wawrinka will look to win his third successive Chennai Open title, while the Indian challenge will be spearheaded by rising star Yuki Bhambri
Roger Federer joined Marat Safin, Rafael Nadal and Guillermo Coria in the third round of the Monte Carlo Masters.
His victory enabled Argentina level the Davis Cup semi-final against Slovakia.
Roger Federer began his quest to win the Rotterdam Open with a 6-3, 6-4 victory over Czech qualifier Bohdan Ulihrach.
Paradorn Srichaphan overcame a fighting Tomas Zib 7-6 (7-5), 6-3 to enter his fourth successive ATP Chennai Open final.
Both in action in the French Open second round on Wednesday, could be considered the tournament's favourites.
The world number one beat defending champion Guillermo Coria in the final.
The Argentine clay specialist thrashed Germany's Rainer Schuettler 6-2, 6-1, 6-3 in the Monte Carlo Masters final.
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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.
While Spanish sensation Rafael Nadal silenced a partisan crowd with a win over French number one Sebastien Grosjean
Tommy Haas and Alexander Waske rallied the Germans to a 2-1 win over favourites Argentina.
Five of the eight seeds had already been beaten in first round action this week.
Tim Henman and Juan Carlos Ferrero slumped to demoralising defeats in the second round.
But fellow Argentines Gaston Gaudio and the indefatigable Guillermo Coria won in straight sets as did Russian Marat Safin
Welcome to the family! Scientists using NASA's Kepler spacecraft have confirmed at least eight new roughly Earth-sized planets sitting in the habitable zones of their host stars -- two of which rival the most 'Earth-like' planets found to date.
The Spanish teenager edged out Argentine ninth seed Guillermo Coria in five sets to win the Rome Masters.
Coria will play Rafael Nadal in the final of the Rome Masters.
Gaudio beat Guillermo Garcia-Lopez in a three set semi-final at the Estoril Open while Robredo advanced after Carlos Moya retired.
The 19-year-old Spaniard also equalled Guillermo Vilas's record of 53 consecutive claycourt wins.
The Spanish teenager swept aside defending champion Guillermo Coria 6-3, 6-1, 0-6, 7-5 to win the Monte Carlo Masters.
The Belgian capped a remarkable comeback to the top level of the game following wrist surgery, beating the world No.1 in the final of the Pacific Life Open.
Top seed Carlos Moya recorded another straight-sets win at the $380,000 Buenos Aires Open on Wednesday.
