2018 Fuzion 100 Surbiton Trophy – Women's singles

Magdaléna Rybáriková was the defending champion, but chose not to participate.

Alison Riske won the title, defeating Conny Perrin in the final, 6–2, 6–4.

Seeds
• # 🇬🇧 Heather Watson (first round)

• # 🇺🇸 Alison Riske (champion)

• # 🇺🇸 Madison Brengle (second round, withdrew)

• # 🇧🇪 Yanina Wickmayer (quarterfinals)

• # Jana Fett (second round)

• # 🇷🇺 Evgeniya Rodina (first round)

• # 🇦🇺 Arina Rodionova (first round)

• # 🇺🇸 Caroline Dolehide (withdrew)

• # 🇺🇸 Kristie Ahn (quarterfinals)