2022 Seoul Open Challenger – Singles

Kwon Soon-woo was the defending champion but chose not to defend his title.

Qualifier Li Tu won his first Challenger title, defeating Wu Yibing 7–6(7–5), 6–4 in the final.

Seeds
• # 🇲🇩 Radu Albot (first round)

• # Tseng Chun-hsin (first round)

• # 🇦🇺 Alexei Popyrin (first round)

• # 🇪🇨 Emilio Gómez (first round)

• # 🇦🇺 Christopher O'Connell (quarterfinals)

• # 🇦🇺 James Duckworth (semifinals)

• # 🇺🇸 Steve Johnson (second round)

• # 🇵🇱 Kamil Majchrzak (semifinals)