See main article: 2012 Busan Open Challenger Tennis. Im Kyu-tae and Danai Udomchoke were the defending champions but Im decided not to participate.
Udomchoke played alongside Daniel Garza, but they lost in the quarterfinals to Raven Klaasen and Izak van der Merwe.
Yuki Bhambri and Divij Sharan won the title defeating Hsieh Cheng-peng and Lee Hsin-han in the final 1–6, 6–1, [10–5].