2010 Busan Open Challenger Tennis – Singles

Danai Udomchoke was the defending champion, but he chose not to compete this year.

Lim Yong-Kyu won in the final 6–1, 6–4 against Lu Yen-hsun.

Seeds
• # 🇩🇪 Rainer Schüttler (first round)

• # Lu Yen-hsun (final)

• # 🇯🇵 Go Soeda (semifinals)

• # 🇦🇹 Alexander Peya (second round)

• # 🇺🇸 Brendan Evans (first round)

• # Leonardo Tavares (withdrew)

• # 🇩🇪 Simon Stadler (first round)

• # 🇯🇵 Tatsuma Ito (quarterfinals)