See main article: 2009 Busan Open Challenger Tennis. Rik de Voest and Łukasz Kubot were the defending champions; however, they chose to not participate this year.
Twins brothers Sanchai Ratiwatana and Sonchat Ratiwatana defeated 6–4, 6–2 Tasuku Iwami and Toshihide Matsui in the final.