Czech eighth seed Karolina Pliskova survived a first-round scare to advance at the French Open.
Pliskova battled from a set and a break down against French wildcard Tessah Andrianjafitrimo, winning 2-6 6-3 6-1.
She is joined in the next round by American Danielle Collins, who recovered from two breaks of serve in the second set to beat Bulgaria's Viktoriya Tomova 6-0 6-4.
Meanwhile, former champion Jelena Ostapenko beat Lucia Bronzetti 6-1 6-4.