Sam Stosur, the 2010 French Open runner-up, waited 2 1/2 hours to play because of rain, then quickly won her opening match at Roland Garros.
The Australian swept the first nine games and drubbed 42-year-old Kimiko Date-Krumm 6-0, 6-2.
The match was delayed at the start on a 55-degree afternoon, and when the rain finally stopped, Stosur was ready. Playing on cozy Court 1, nicknamed the bullring, Stosur dominated with her strong serve and pinpoint groundstrokes, repeatedly skipping shots just inside the lines.
Stosur's best showing at Roland Garros was three years ago, when she lost in the final to Francesca Schiavone. She won the U.S. Open in 2011, but this year has been hampered by a right calf injury and has yet to reach a semifinal.
Australian tennis player Bernard Tomic, whose father was banned from attending the French Open because of an assault investigation, retired from his first-round match at Roland Garros in the third set Tuesday.
The 61st-ranked Tomic was treated for a right hamstring problem in the first set but played on until stopping while trailing 7-5, 7-6 (8), 2-1 against Victor Hanescu of Romania.
Tomic's father, John, is due in court in Madrid in October. He is accused of head-butting Bernard's hitting partner, Thomas Drouet.
The ATP and International Tennis Federation barred John Tomic from receiving credentials for tournaments. The French tennis federation announced they would not allow him onto the grounds of their event, even as a paying spectator.