The 2011 Singapore ATP Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Singapore between 24 and 30 January 2011.
ATP entrants
Seeds
Rankings are as of January 17, 2011.
Other entrants
The following players received wildcards into the singles main draw: Sergei Bubka Karan Rastogi Peerakiat Siriluethaiwattana Dmitry Tursunov
The following players received entry from the qualifying draw: Michael Lammer Frederik Nielsen Artem Sitak Yang Tsung-hua
Champions
Singles
Dmitry Tursunov def. Lukáš Rosol, 6–4, 6–2
Doubles
Scott Lipsky / David Martin def. Sanchai Ratiwatana / Sonchat Ratiwatana, 5–7, 6–1, [10–8]