Klara Zakopalova progressed into the second round of the Open GDF Suez in Paris with a straight-sets win over home hope Caroline Garcia.
Zakopalova of the Czech Republic survived a tough opening against her wildcard opponent before eventually coming through.
A 7-6 (7/4) 6-2 victory secures a second-round date with world No 9 Angelique Kerber.
The only other match on Monday saw Russia's Anastasia Pavlyuchenkova recover from the loss of the opening set to beat Italian Francesca Schiavone 1-6 6-4 6-1.
The top four seeds - Maria Sharapova, Petra Kvitova, Sara Errani and Kerber - all enjoyed first-round byes.