| Singles | |
|---|---|
| 2009 Busan Open Challenger Tennis | |
| Champion |
|
| Runner-up |
|
| Final score | 6–2, 6–2 |
Go Soeda was the defending champion but lost to his compatriot Yuichi Sugita in the first round. Danai Udomchoke became the new champion after his win against Blaž Kavčič in the final (6–2, 6–2).