2018 Ladies Open Lugano – Singles

Elise Mertens defeated Aryna Sabalenka in the final, 7–5, 6–2, to win the singles title at the 2018 Ladies Open Lugano.

Markéta Vondroušová was the defending champion, but lost in the second round to Mertens.

Seeds
• #🇫🇷 Kristina Mladenovic (first round, retired)

• #🇧🇪 Elise Mertens (champion)

• #🇪🇸 Carla Suárez Navarro (withdrew)

• #🇪🇪 Anett Kontaveit (first round)

• #🇷🇺 Svetlana Kuznetsova (first round)

• #🇫🇷 Alizé Cornet (second round)

• #🇷🇴 Mihaela Buzărnescu (first round)

• #🇧🇾 Aliaksandra Sasnovich (second round)

• #🇧🇪 Alison Van Uytvanck (second round)

Seeds
• # Richèl Hogenkamp (qualified)

• # Arantxa Rus (qualifying competition)

• # 🇲🇪 Danka Kovinić (qualified)

• # 🇧🇾 Vera Lapko (qualified)

• # 🇵🇱 Magdalena Fręch (qualifying competition, lucky loser)

• # 🇩🇪 Antonia Lottner (qualifying competition)

• # 🇹🇷 Çağla Büyükakçay (qualifying competition)

• # 🇮🇹 Roberta Vinci (first round)

• # 🇨🇿 Marie Bouzková (qualifying competition)

• # 🇷🇴 Alexandra Cadanțu (qualified)

• # 🇩🇪 Tamara Korpatsch (qualified)

• # 🇮🇹 Deborah Chiesa (first round)

Qualifiers
• # Richèl Hogenkamp

• # 🇷🇴 Alexandra Cadanțu

• # 🇲🇪 Danka Kovinić

• # 🇧🇾 Vera Lapko

• # 🇱🇮 Kathinka von Deichmann

• # 🇩🇪 Tamara Korpatsch

Lucky loser
• # 🇵🇱 Magdalena Fręch