The 2009 Flea Market Cup was a professional tennis tournament played on outdoor hard courts. It was the seventh edition of the tournament which was part of Tretorn SERIE+ of the 2009 ATP Challenger Tour. It took place in Chuncheon, South Korea between 2 and 8 November 2009.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Thiemo de Bakker | 111 | 1 | ||
| Lu Yen-hsun | 118 | 2 | ||
 Slovakia | Lukáš Lacko | 126 | 3 | |
 Israel | Harel Levy | 138 | 4 | |
 Korea, Republic of | Im Kyu-tae | 163 | 5 | |
 Australia | Marinko Matosevic | 174 | 6 | |
 Russian Federation | Alex Kuznetsov | 193 | 7 | |
| Korea, Republic of |
The following players received wildcards into the singles main draw:
Cho Soong-jae Kim Sun-yong Lim Yong-kyu Noh Sang-wooThe following players received entry from the qualifying draw:
Jun Woong-sun Sadik Kadir Kim Young-jun
Hiroki Moriya (as a Lucky loser) Daniel YooSee main article: 2009 Flea Market Cup – Singles. Lu Yen-hsun def. Igor Sijsling, 6–2, 6–3
See main article: 2009 Flea Market Cup – Doubles. Andis Juška / Dmitri Sitak def. Lee Hsin-han / Yang Tsung-hua, 3–6, 6–3, [10–2]