The 2011 Santos Brasil Tennis Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Santos, Brazil between 18 and 24 April 2011.
Singles main draw entrants
Seeds
Rankings are as of April 11, 2011.
Other entrants
The following players received wildcards into the singles main draw: Daniel Bustamante Daniel Dutra da Silva Christian Lindell José Pereira
The following players received entry into the singles main draw as a special exemption: Aljaž Bedene Marcelo Demoliner
The following players received entry from the qualifying draw: André Ghem Javier Martí Iván Miranda Yang Tsung-hua
