title: 2011 All Japan Indoor Tennis Championships – Singles
text: # 2011 All Japan Indoor Tennis Championships – Singles
  
  Yuichi Sugita was the defending champion after defeating Matthew Ebden in the 2010 final. He was eliminated by Cedrik-Marcel Stebe already in the first round. Stebe reached the final, but lost to Dominik Meffert 6–4, 4–6, 2–6.
  
  ## Seeds
  
  * Go Soeda (semifinals)
  * Matthias Bachinger (quarterfinals)
  * Tatsuma Ito (quarterfinals)
  * Yuichi Sugita (first round)
  * Dominik Meffert (champion)
  * Sebastian Rieschick (quarterfinals)
  * Simon Stadler (semifinals)
  * Andre Begemann (quarterfinals)
  
  ## 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
  
  ### Finals
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - | - |
  | 1 | Go Soeda | 4 | 7 | $6^0$ | | | | | |
  | Q | Cedrik-Marcel Stebe | 6 | $6^4$ | 7 | | | | | |
  | Q | Cedrik-Marcel Stebe | 6 | $6^4$ | 7 | Q | Cedrik-Marcel Stebe | 4 | 6 | 2 |
  | | | | | | 5 | Dominik Meffert | 6 | 4 | 6 |
  | 7 | Simon Stadler | 1 | 3 | | 5 | Dominik Meffert | 6 | 4 | 6 |
  | 5 | Dominik Meffert | 6 | 6 | | | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | G Soeda | 7 | 6 | | | | | | | | | | | | | | | |
  | | Hiroki Moriya | 5 | 2 | | 1 | G Soeda | 6 | 6 | | | | | | | | | | |
  | | D Udomchoke | 6 | 6 | | | D Udomchoke | 2 | 2 | | | | | | | | | | |
  | | N Monroe | 4 | 3 | | | | | | | 1 | G Soeda | 6 | 6 | | | | | |
  | WC | T Suzuki | 5 | r | | | | | | | 6 | S Rieschick | 2 | 4 | | | | | |
  | | H Kondo | 4 | | | | H Kondo | 6 | 4 | 2 | | | | | | | | | |
  | | P Oswald | 0 | 4 | | 6 | S Rieschick | 4 | 6 | 6 | | | | | | | | | |
  | 6 | S Rieschick | 6 | 6 | | | | | | | | | | | 1 | G Soeda | 0 | 7 | $6^0$ |
  | 4 | Y Sugita | 6 | 1 | 1 | | | | | | | | | | Q | C-M Stebe | 6 | $6^4$ | 7 |
  | Q | C-M Stebe | 3 | 6 | 6 | Q | C-M Stebe | 6 | 6 | | | | | | | | | | |
  | WC | Kento Takeuchi | 4 | 4 | | | T Fabbiano | 3 | 1 | | | | | | | | | | |
  | | T Fabbiano | 6 | 6 | | | | | | | Q | C-M Stebe | 6 | 6 | | | | | |
  | | K Kim | 7 | 7 | | | | | | | 8 | A Begemann | 2 | 4 | | | | | |
  | | M Ryderstedt | $6^5$ | 5 | | | K Kim | $6^1$ | $6^6$ | | | | | | | | | | |
  | | W-s Jun | 3 | 7 | $6^4$ | 8 | A Begemann | 7 | 7 | | | | | | | | | | |
  | 8 | A Begemann | 6 | $6^5$ | 7 | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 7 | S Stadler | 6 | 6 | | | | | | | | | | | | |
  | | G Naso | 4 | 3 | 7 | S Stadler | 6 | 6 | | | | | | | | |
  | | T-h Yang | $6^4$ | 5 | Q | T Fernandes | 0 | 4 | | | | | | | | |
  | Q | T Fernandes | 7 | 7 | | | | | 7 | S Stadler | 6 | 7 | | | | |
  | | Y-k Lim | $6^0$ | 4 | | | | | 3 | T Ito | 4 | $6^3$ | | | | |
  | Q | Sho Katayama | 7 | 6 | Q | Sho Katayama | $6^2$ | 5 | | | | | | | | |
  | | C Ebelthite | 3 | 0 | 3 | T Ito | 7 | 7 | | | | | | | | |
  | 3 | T Ito | 6 | 6 | | | | | | | | | 7 | S Stadler | 1 | 3 |
  | 5 | D Meffert | 6 | 6 | | | | | | | | | 5 | D Meffert | 6 | 6 |
  | | V Vardhan | 4 | 4 | 5 | D Meffert | 7 | 6 | | | | | | | | |
  | | J Lemke | 4 | 2 | Q | P Gojowczyk | 5 | 3 | | | | | | | | |
  | Q | P Gojowczyk | 6 | 6 | | | | | 5 | D Meffert | 6 | 6 | | | | |
  | WC | T Matsui | 1 | 4 | | | | | 2 | M Bachinger | 4 | 4 | | | | |
  | WC | Y Uchiyama | 6 | 6 | WC | Y Uchiyama | 4 | 3 | | | | | | | | |
  | | A Kumantsov | 5 | $0^r$ | 2 | M Bachinger | 6 | 6 | | | | | | | | |
  | 2 | M Bachinger | 7 | 3 | | | | | | | | | | | | |
  