2018 Bol Open – Singles

Aleksandra Krunić was the reigning champion, but chose not to defend her title.

Tamara Zidanšek won the title, defeating Magda Linette in the final 6–1, 6–3.

Seeds
• # 🇺🇦 Kateryna Kozlova (first round)

• # 🇵🇱 Magda Linette (final)

• # 🇦🇺 Ajla Tomljanović (first round)

• # 🇮🇹 Sara Errani (semifinals, withdrew)

• # 🇸🇰 Anna Karolína Schmiedlová (quarterfinals)

• # 🇨🇳 Wang Yafan (first round)

• # Viktorija Golubic (quarterfinals)

• # 🇨🇴 Mariana Duque Mariño (quarterfinals)