Samantha Stosur beat Irina Falconi 6-1 6-4, to advance to the 3rd round of French Open 2012.
Stosur had beaten the 112th-ranked American in their only previous meeting, in straight sets at Indian Wells earlier this year.
A possible third-round meeting looms with Russian 27th seed Nadia Petrova, who has beaten Stosur five times in seven meetings.
Stosur, runner-up at Roland Garros in 2010.
