| 2009 Busan Open Challenger Tennis | |
|---|---|
| Date | May 11 – May 17 |
| Edition | 7th |
| Location | Busan, South Korea |
| Champions | |
| Singles | |
 Danai Udomchoke | |
| Doubles | |
| Sanchai Ratiwatana / Sonchat Ratiwatana | |
The 2009 Busan Open Challenger Tennis was a professional tennis tournament played on outdoor hard courts. It is part of the 2009 ATP Challenger Tour. It took place in Busan, South Korea between May 11 and May 17, 2009.
| Nationality | Player | Ranking* | Seeding |
|---|---|---|---|
 JPN | Go Soeda | 132 | 1 |
| THA | Danai Udomchoke | 144 | 2 |
 GER | Florian Mayer | 214 | 3 |
 KOR | Im Kyu-tae | 219 | 4 |
 DEN | Kristian Pless | 230 | 5 |
 SUI | Marco Chiudinelli | 243 | 6 |
 AUS | Samuel Groth | 252 | 7 |
 SLO | Blaž Kavčič | 267 | 8 |
The following players received wildcards into the singles main draw:
An Jae-sung Lim Yong-kyu Jeong Suk-young Seo Yong-bumThe following players received entry from the qualifying draw:
Danai Udomchoke def. Blaž Kavčič, 6–2, 6–2
Sanchai Ratiwatana / Sonchat Ratiwatana def. Tasuku Iwami / Toshihide Matsui, 6–4, 6–2
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