2022 Korea Open – Men's singles

Yoshihito Nishioka defeated Denis Shapovalov in the final, 6–4, 7–6(7–5) to win the men's singles tennis title at the 2022 Korea Open. It was his first ATP Tour title since Shenzhen in 2018.

This was the first edition of an ATP Tour event in Seoul since 1996.

Seeds
The top four seeds received a bye into the second round. • #🇳🇴 Casper Ruud (quarterfinals)

• #🇬🇧 Cameron Norrie (quarterfinals, withdrew)

• #🇺🇸 Taylor Fritz (withdrew)

• #🇨🇦 Denis Shapovalov (final)

• #🇬🇧 Dan Evans (first round)

• # Borna Ćorić (withdrew)

• #🇷🇸 Miomir Kecmanović (first round)

• #🇺🇸 Jenson Brooksby (semifinals)

Seeds
• # Nicolás Jarry (qualified)

• # 🇸🇪 Elias Ymer (first round)

• # 🇬🇧 Ryan Peniston (qualifying competition, lucky loser)

• # 🇯🇵 Kaichi Uchida (received wildcard into main draw)

• # Wu Tung-lin (qualified)

• # 🇨🇿 Dalibor Svrčina (first round)

• # 🇺🇸 Aleksandar Kovacevic (qualifying competition, lucky loser)

• # 🇯🇵 Yosuke Watanuki (qualified)

Qualifiers
• # Nicolás Jarry

• # 🇰🇷 Chung Yun-seong

• # Wu Tung-lin

• # 🇯🇵 Yosuke Watanuki

Lucky losers
• # 🇺🇸 Aleksandar Kovacevic

• # 🇬🇧 Ryan Peniston

• # 🇯🇵 Hiroki Moriya

• # 🇯🇵 Shintaro Mochizuki