2018 OEC Taipei WTA Challenger – Singles

Belinda Bencic was the defending champion, but chose to compete in Houston instead.

Luksika Kumkhum won the title, defeating Sabine Lisicki 6–1, 6–3 in the final.

Seeds
• # 🇨🇳 Zheng Saisai (withdrew)

• #🇹🇭 Luksika Kumkhum (champion)

• # 🇷🇺 Margarita Gasparyan (withdrew)

• # 🇨🇳 Zhu Lin (quarterfinals)

• # 🇯🇵 Nao Hibino (quarterfinals)

• # 🇷🇺 Vitalia Diatchenko (semifinals)

• # 🇺🇿 Sabina Sharipova (first round)

• # 🇯🇵 Misaki Doi (first round)

Seeds
• # 🇯🇵 Ayano Shimizu (first round)

• # 🇮🇳 Karman Thandi (qualifying competition)

• # 🇰🇷 Jang Su-jeong (qualified)

• # 🇨🇳 Xun Fangying (moved to main draw)

• # 🇨🇿 Tereza Martincová (qualified)

• # 🇨🇳 Zhang Yuxuan (qualified)

• # 🇯🇵 Mayo Hibi (first round)

• # 🇦🇺 Lizette Cabrera (qualifying competition, lucky loser)

Qualifiers
• # 🇨🇿 Tereza Martincová

• # 🇨🇳 Zhang Yuxuan

• # 🇰🇷 Jang Su-jeong

• # 🇷🇴 Elena-Gabriela Ruse

Lucky losers
• # 🇦🇺 Lizette Cabrera

• # 🇭🇰 Ng Kwan-yau