The 2011 Singapore ATP Challenger was a professional tennis tournament played on hard courts. It was held at Kallang Tennis Centre in Singapore. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour and took place between 24 and 30 January 2011.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Dmitry Tursunov def. LukÃ¡à ¡ Rosol, 6âÂÂ4, 6âÂÂ2
Scott Lipsky / David Martin def. Sanchai Ratiwatana / Sonchat Ratiwatana, 5âÂÂ7, 6âÂÂ1, [10âÂÂ8]