2020 Engie Open Andrézieux-Bouthéon 42 – Singles

Rebecca Šramková was the defending champion but lost in the quarterfinals to Natalia Vikhlyantseva.

Ysaline Bonaventure won the title, defeating Arantxa Rus in the final, 6–4, 7–6(7–3).

Seeds
• # 🇷🇸 Nina Stojanović (quarterfinals)

• # Arantxa Rus (final)

• # 🇷🇺 Margarita Gasparyan (second round, retired)

• # 🇺🇦 Katarina Zavatska (second round)

• # 🇩🇪 Tamara Korpatsch (first round)

• # 🇷🇺 Natalia Vikhlyantseva (semifinals)

• # 🇧🇪 Ysaline Bonaventure (champion)

• # 🇩🇪 Anna-Lena Friedsam (quarterfinals)