2011 Samsung Securities Cup

The 2011 Samsung Securities Cup was a professional tennis tournament played on hard courts. It was the 12th edition and the 1st edition of the tournament which was part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit. It took place in Seoul, South Korea between 17 and 23 October 2011.

ATP entrants

¹ Rankings are as of October 10, 2011.

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

¹ Rankings are as of October 10, 2011.

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

Lu Yen-hsun def. Jimmy Wang, 7–5, 6–3

Hsieh Su-wei def. Yurika Sema, 6-1, 6-0

Sanchai Ratiwatana / Sonchat Ratiwatana def. Purav Raja / Divij Sharan, 6–4, 7–6

Kang Seo-kyung / Kim Na-ri def. Kim Ji-young / Yoo Mi, 5–7, 6–1,