2024 Busan Open – Singles

Aleksandar Vukic was the defending champion but chose not to defend his title.

Yasutaka Uchiyama won the title after defeating Hong Seong-chan 7–6(7–4), 6–3 in the final.

Seeds
• # 🇦🇺 James Duckworth (semifinals)

• # 🇫🇮 Otto Virtanen (first round)

• # 🇯🇵 Sho Shimabukuro (first round)

• # 🇮🇹 Mattia Bellucci (first round)

• # 🇨🇳 Bu Yunchaokete (first round)

• # Lloyd Harris (quarterfinals)

• # 🇦🇺 Li Tu (first round)

• # 🇭🇰 Coleman Wong (quarterfinals)