Rafa Nadal's campaign for a record seventh French Open title began with a straight-sets victory over outclassed Italian Simone Bolelli on Tuesday, while Maria Sharapova opened with a whitewash of Romanian Alexandra Cadantu.
A shell-shocked Serena Williams crashed to her earliest defeat at a grand slam when she was beaten 4-6 7-6 6-3 by French darling Virginie Razzano.
First-round victories at the French Open put Roger Federer and Novak Djokovic in reflective mood on Monday, with the Swiss chalking up a new landmark and the Serbian world number one considering the pressure of always trying to win.
Chinese reigning champion Li Na eased past Romania's Sorana Cirstea 6-2, 6-1 in the first round of 2012 French Open on Monday.
Venus Williams tamed a plucky teenaged fan who once emailed her for playing tips while fellow American Andy Roddick found himself off target as he bowed out in the first round of the French Open on Sunday.
Asia's first Grand Slam champion, Li Na, is full of confidence as she sets about defending her title at Roland Garros.
Novak Djokovic will arrive at Roland Garros seven wins away from becoming the first man for 43 years to hold all four Grand Slam titles concurrently.
The distractions of being French Open champion led to six wasted months, said 2011 winner Li Na, who has finally found her form again in time to defend her title next week.
Fast Retailing's Uniqlo has signed tennis star Novak Djokovic to a five-year contract in an attempt to increase its brand appeal among European and US-based shoppers.
World number 18 Kei Nishikori has pulled out of the French Open because of a stomach injury, the Japanese said on Tuesday.
Nadal claims sixth Italian Open title with emphatic win over world No 1 Djokovic, AFP reports
Rafa Nadal enjoyed the perfect fillip ahead of his French Open defence by downing world number one Novak Djokovic 7-5 6-3 in the delayed Rome Masters final on Monday.