The 2009 Samsung Securities Cup was a professional tennis tournament played on outdoor hard courts. It was the tenth edition of the tournament which was part of the Tretorn SERIE+ of the 2009 ATP Challenger Tour. It took place in Seoul, South Korea between 26 October and 1 November 2009.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Cyprus | ||||
| Lu Yen-hsun | 102 | 2 | ||
| Thiemo de Bakker | 113 | 3 | ||
 India | Somdev Devvarman | 124 | 4 | |
 Slovakia | Lukáš Lacko | 127 | 5 | |
 Korea, Republic of | Lee Hyung-taik | 136 | 6 | |
 Israel | Harel Levy | 137 | 7 | |
 Thailand | Danai Udomchoke | 139 | 8 | |
 Japan | Go Soeda | 156 | 9 |
The following players received wildcards into the singles main draw:
Cho Soong-yae Kim Sun-yong Lim Yong-kyu Noh Sang-wooThe following players received entry from the qualifying draw:
Greg Jones (as a Lucky loser) Takao SuzukiSee main article: 2009 Samsung Securities Cup – Singles. Lukáš Lacko def. 
Dušan Lojda, 6–4, 6–2
See main article: 2009 Samsung Securities Cup – Doubles. Rik de Voest / Lu Yen-hsun def. Sanchai Ratiwatana / Sonchat Ratiwatana, 7–6(5), 3–6, [10–6]