2018 Busan Open – Singles

Vasek Pospisil was the defending champion but lost in the final to Matthew Ebden.

Ebden won the title after defeating Pospisil 7–6(7–4), 6–1 in the final.

Seeds
• # 🇦🇺 Matthew Ebden (champion)

• # 🇮🇳 Yuki Bhambri (second round)

• # 🇨🇦 Vasek Pospisil (final)

• # 🇮🇱 Dudi Sela (first round)

• # Lu Yen-hsun (first round)

• # 🇺🇸 Mackenzie McDonald (quarterfinals)

• # 🇯🇵 Go Soeda (second round)

• # Jason Jung (quarterfinals)