2018 Grand Prix SAR La Princesse Lalla Meryem – Singles

Anastasia Pavlyuchenkova was the defending champion, but chose not to participate.

Elise Mertens won the title, defeating Ajla Tomljanović in the final, 6–2, 7–6(7–4).

Seeds
• #🇧🇪 Elise Mertens (champion)

• #🇸🇰 Dominika Cibulková (first round)

• # Petra Martić (first round)

• #🇭🇺 Tímea Babos (first round)

• # Timea Bacsinszky (withdrew)

• #🇰🇿 Zarina Diyas (first round)

• #🇷🇸 Aleksandra Krunić (semifinals)

• # Hsieh Su-wei (semifinals)

Seeds
• # 🇷🇺 Anna Blinkova (second round)

• # 🇺🇸 Caroline Dolehide (first round)

• # 🇲🇪 Danka Kovinić (first round)

• # Arantxa Rus (second round)

• # Tamara Zidanšek (qualified)

• # Jil Teichmann (second round)

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

• # 🇨🇿 Barbora Krejčíková (second round)

Qualifiers
• # 🇪🇸 Sílvia Soler Espinosa

• # 🇫🇷 Fiona Ferro

• # Tamara Zidanšek

• # 🇪🇸 Paula Badosa Gibert

Lucky losers
• # 🇷🇴 Alexandra Dulgheru

• # 🇵🇱 Magdalena Fręch