Nine-time champion Rafael Nadal eased through to the French Open second round with a crushing defeat of Australian Sam Groth.
The 29-year-old Spanish fourth seed won 6-1 6-1 6-1 in one hour and 20 minutes.
Nadal looked typically at home on the clay at Roland Garros, hitting an astonishing winner through his legs in the third set.
Andy Murray finally beat 37-year-old qualifier Radek Stepanek to avoid a shock French Open first-round defeat.
The British world number two trailed two sets to one when play was suspended on Monday because of bad light.
Murray, 29, won the fourth set but was pushed hard by his Czech opponent before winning the deciding set to clinch a 3-6 3-6 6-0 6-2 7-5 victory after three hours and 41 minutes.
The last time Murray lost in the first round of a Grand Slam was in 2008.
Murray joins compatriots Aljaz Bedene, Kyle Edmund and Heather Watson in the second round, while Johanna Konta and Laura Robson play their first-round matches later.
He will face French wildcard Mathias Bourgue, who is ranked 164 in the world, in the next round.
Earlier, Australian Open champion Angelique Kerber was beaten by world number 58 Kiki Bertens.
Novak Djokovic, Serena Williams and Victoria Azarenka are also in action yesterday.
Seventh seed Tomas Berdych brushed aside Vasek Pospisil in straight sets in the opening match on court one.
