2020 Monterrey Open – Singles

Garbiñe Muguruza was the two-time defending champion, but chose not to participate.

Elina Svitolina won the title, defeating Marie Bouzková in the final, 7–5, 4–6, 6–4.

Seeds
• #🇺🇦 Elina Svitolina (champion)

• #🇬🇧 Johanna Konta (semifinals)

• #🇰🇿 Yulia Putintseva (withdrew)

• #🇵🇱 Magda Linette (withdrew)

• #🇺🇸 Sloane Stephens (second round)

• #🇸🇪 Rebecca Peterson (quarterfinals)

• #🇧🇾 Victoria Azarenka (first round)

• #🇨🇳 Wang Yafan (quarterfinals)

• #🇨🇿 Marie Bouzková (final)

• #🇺🇸 Lauren Davis (second round)

Seeds
• # 🇮🇹 Jasmine Paolini (first round)

• # Stefanie Vögele (qualified)

• # 🇦🇺 Maddison Inglis (first round)

• # 🇦🇺 Lizette Cabrera (first round)

• # Kaja Juvan (first round)

• # 🇦🇺 Astra Sharma (Qualifying competition, lucky loser)

• # 🇷🇺 Varvara Flink (Qualifying competition, lucky loser)

• # 🇺🇸 Caroline Dolehide (Qualifying competition, lucky loser)

• # 🇧🇾 Olga Govortsova (qualified)

• # 🇮🇹 Martina Trevisan (qualifying competition)

• # 🇮🇹 Giulia Gatto-Monticone (qualified)

• # 🇮🇹 Elisabetta Cocciaretto (qualifying competition)

Qualifiers
• # 🇧🇾 Olga Govortsova

• # Stefanie Vögele

• # 🇪🇸 Lara Arruabarrena

• # 🇸🇰 Anna Karolína Schmiedlová

• # 🇦🇷 Nadia Podoroska

• # 🇮🇹 Giulia Gatto-Monticone

Lucky losers
• # 🇦🇺 Astra Sharma

• # 🇷🇺 Varvara Flink

• # 🇺🇸 Caroline Dolehide

• # 🇸🇰 Kristína Kučová