Karolina Pliskova has dug deep to avoid joining the list of culled seeds at Roland Garros coming back from from a set and a break down against home hope Tessah Andrianjafitrimo.
The Czech No.8 seed eventually prevailed 2-6 6-3 6-1.
Jelena Ostapenko, the 2017 French Open champion, ended a five-match losing streak with a 6-1 6-4 win over Lucia Bronzetti to advance to the next round. There she will meet Alize Cornet, who saw off Japan’s Misaki Doi in straight sets.
Australian Open finalist Danielle Collins made a strong start to her Paris campaign, cruising past lucky loser Viktoriya Tomova 6-0 6-4 to book her spot in the second round.
Adding to a largely uneventful start to Tuesday for the women’s singles 16th seed Elena Rybakina of Kazakhstan beat Arantxa Rus 6-1 5-7 6-2.