2013 Fukuoka International Women's Cup – Singles

Casey Dellacqua was the defending champion, having won the event in 2012, but decided not to defend her title the year after.

Ons Jabeur won the title, defeating An-Sophie Mestach in the final, 7–6(7–2), 6–2.

Seeds
• # 🇨🇳 Zheng Saisai (second round)

• # 🇯🇵 Erika Sema (quarterfinals)

• # 🇦🇺 Monique Adamczak (first round; retired)

• # 🇯🇵 Yurika Sema (first round)

• # 🇰🇿 Zarina Diyas (quarterfinals)

• # 🇹🇭 Varatchaya Wongteanchai (first round)

• # 🇷🇺 Ksenia Lykina (withdrew)

• # Amra Sadiković (second round)