title: 2011 Singapore ATP Challenger – Doubles
text: # 2011 Singapore ATP Challenger – Doubles
  
  1st seeds Scott Lipsky and David Martin won in the final 5–7, 6–1, [10–8], against Sanchai and Sonchat Ratiwatana.
  
  ## Seeds
  
  * Scott Lipsky / David Martin (champions)
  * Sanchai Ratiwatana / Sonchat Ratiwatana (final)
  * Johan Brunström / Frederik Nielsen (semifinals)
  * Flavio Cipolla / Simone Vagnozzi (first round)
  
  ## Draw
  
  ### Key
  
  * Q = Qualifier
  * WC = Wild card
  * LL = Lucky loser
  * Alt = Alternate
  * SE = Special exempt
  * PR = Protected ranking
  * ITF = ITF entry
  * JE = Junior exempt
  * w/o = Walkover
  * r = Retired
  * d = Defaulted
  * SR = Special ranking
  
  ### Draw
  
  | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | S Lipsky D Martin | 6 | 6 | | | | | | | | | | | | | | | |
  | | F Škugor L Zovko | 1 | 2 | 1 | S Lipsky D Martin | 6 | 6 | | | | | | | | | | | |
  | | A Sitak M Viola | 4 | 3 | | P Polansky G Soeda | 3 | 1 | | | | | | | | | | | |
  | | P Polansky G Soeda | 6 | 6 | | | | | | 1 | S Lipsky D Martin | 7 | 3 | [10] | | | | | |
  | 3 | J Brunström F Nielsen | 7 | 7 | | | | | | 3 | J Brunström F Nielsen | $6^6$ | 6 | [5] | | | | | |
  | | A Kudryavtsev L Rosol | $6^5$ | 5 | 3 | J Brunström F Nielsen | | | | | | | | | | | | | |
  | | D Lojda I Minář | 4 | $6^4$ | | T Alves P Lorenzi | w/o | | | | | | | | | | | | |
  | | T Alves P Lorenzi | 6 | 7 | | | | | | | | | | | 1 | S Lipsky D Martin | 5 | 6 | [10] |
  | WC | D Tursunov Y-t Wang | 6 | 7 | | | | | | | | | | | 2 | Sa Ratiwatana So Ratiwatana | 7 | 1 | [8] |
  | WC | R Hobbs T-h Yang | 0 | 5 | WC | D Tursunov Y-t Wang | 4 | 6 | [7] | | | | | | | | | | |
  | | R de Voest S Devvarman | 6 | 6 | | R de Voest S Devvarman | 6 | 3 | [10] | | | | | | | | | | |
  | 4 | F Cipolla S Vagnozzi | 4 | 3 | | | | | | | R de Voest S Devvarman | 4 | 7 | [7] | | | | | |
  | | M Gong Z Li | 2 | 1 | | | | | | 2 | Sa Ratiwatana So Ratiwatana | 6 | $6^2$ | [10] | | | | | |
  | | TC Huey P Raja | 6 | 6 | | TC Huey P Raja | $6^5$ | 6 | [5] | | | | | | | | | | |
  | WC | K Rastogi C Rungkat | 4 | 1 | 2 | Sa Ratiwatana So Ratiwatana | 7 | 2 | [10] | | | | | | | | | | |
  | 2 | Sa Ratiwatana So Ratiwatana | 6 | 6 | | | | | | | | | | | | | | | |
  