The 2012 Busan Open Challenger Tennis was a professional tennis tournament played on hard courts. It was the tenth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Busan, South Korea between 7 and 13 May 2012.
| 2012 Busan Open Challenger Tennis | |
|---|---|
| Date | 7–13 May |
| Edition | 10th |
| Surface | Hard |
| Location | Busan, South Korea |
| Champions | |
| Singles | |
 Tatsuma Ito | |
| Doubles | |
 Yuki Bhambri / Divij Sharan | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TPE
|
Yen-Hsun Lu | 57 | 1 |
| JPN
|
Tatsuma Ito | 80 | 2 |
 SUI
|
Marco Chiudinelli | 135 | 3 |
 RSA
|
Rik de Voest | 139 | 4 |
| RSA
|
Izak van der Merwe | 158 | 5 |
 THA
|
Danai Udomchoke | 173 | 6 |
| TPE
|
Yang Tsung-hua | 175 | 7 |
 ISR
|
Amir Weintraub | 186 | 8 |
- 1 Rankings are as of April 30, 2012.
Other entrants edit
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Kim Cheong-eui
Michael McClune
Christopher Rungkat
Kento Takeuchi
Champions edit
Singles edit
- Tatsuma Ito def.
John Millman, 6–4, 6–3
Doubles edit
Yuki Bhambri / Divij Sharan def. 
Hsieh Cheng-peng / Lee Hsin-han, 1–6, 6–1, [10–5]