# 2011 Rakuten Japan Open Tennis Championships – Singles

Rafael Nadal was the defending champion, but lost in the final to second-seeded Andy Murray, 3–6, 6–2, 6–0.

## Seeds

* Rafael Nadal (final)
* Andy Murray (champion)
* David Ferrer (semifinals)
* Mardy Fish (semifinals)
* Viktor Troicki (first round)
* Janko Tipsarević (first round)
* Radek Štěpánek (quarterfinals)
* Juan Mónaco (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Rafael Nadal | 7 | 6 | | | | | |
| 4 | Mardy Fish | 5 | 1 | | | | | |
| 4 | Mardy Fish | 5 | 1 | 1 | Rafael Nadal | 6 | 2 | 0 |
| | | | | 2 | Andy Murray | 3 | 6 | 6 |
| 3 | David Ferrer | 2 | 3 | 2 | Andy Murray | 3 | 6 | 6 |
| 2 | Andy Murray | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Nadal | 6 | 6 | | | | | | | | | | | | | | | |
| WC | G Soeda | 3 | 2 | | 1 | R Nadal | 7 | 6 | | | | | | | | | | |
| | M Raonic | 6$^4$ | 6 | 7$^7$ | | M Raonic | 5 | 3 | | | | | | | | | | |
| WC | Y Sugita | 7$^7$ | 3 | 6$^1$ | | | | | | 1 | R Nadal | 7$^8$ | 6 | | | | | |
| | R Haase | 3 | 6$^5$ | | | | | | | | S Giraldo | 6$^6$ | 3 | | | | | |
| | S Giraldo | 6 | 7$^7$ | | | S Giraldo | 6 | 7$^7$ | | | | | | | | | | |
| | D Tursunov | 7$^8$ | 6$^3$ | 7 | | D Tursunov | 4 | 6$^4$ | | | | | | | | | | |
| 6 | J Tipsarević | 6$^6$ | 7$^7$ | 5 | | | | | | | | | | | 1 | R Nadal | 7 | 6 |
| 4 | M Fish | 6 | 3 | 7 | | | | | | | | | | | 4 | M Fish | 5 | 1 |
| Q | R Harrison | 4 | 6 | 5 | 4 | M Fish | 6 | 6 | | | | | | | | | | |
| | E Gulbis | 6 | 3 | 7 | | E Gulbis | 2 | 4 | | | | | | | | | | |
| | Ł Kubot | 3 | 6 | 5 | | | | | | 4 | M Fish | 6$^5$ | 6 | 6 | | | | |
| WC | T Ito | 6 | 3 | 6 | | | | | | | B Tomic | 7$^7$ | 4 | 1 | | | | |
| Q | D Sela | 4 | 6 | 3 | WC | T Ito | 7$^7$ | 1 | 5 | | | | | | | | | |
| | B Tomic | 7$^8$ | 7$^7$ | | | B Tomic | 6$^4$ | 6 | 7 | | | | | | | | | |
| 5 | V Troicki | 6$^6$ | 6$^1$ | | | | | | | | | | | | | | | |

### Bottom 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 |
| 7 | R Štěpánek | 6 | 6 | | | | | | | | | | | | | | |
| | S Devvarman | 4 | 3 | | 7 | R Štěpánek | 7 | 6$^5$ | 6 | | | | | | | | |
| Q | M Chiudinelli | 6 | 4 | 6 | Q | M Chiudinelli | 5 | 7$^7$ | 1 | | | | | | | | |
| | G García-López | 1 | 6 | 4 | | | | | | 7 | R Štěpánek | 2 | 6$^3$ | | | | |
| Q | M Ebden | 6$^4$ | 6 | 6 | | | | | | 3 | D Ferrer | 6 | 7$^7$ | | | | |
| | P Andújar | 7$^7$ | 4 | 4 | Q | M Ebden | 6 | 2 | 2 | | | | | | | | |
| | K Nishikori | 4 | 3 | | 3 | D Ferrer | 4 | 6 | 6 | | | | | | | | |
| 3 | D Ferrer | 6 | 6 | | | | | | | | | | | 3 | D Ferrer | 2 | 3 |
| 8 | J Mónaco | 2 | 6 | 6$^1$ | | | | | | | | | | 2 | A Murray | 6 | 6 |
| | I Dodig | 6 | 2 | 7$^7$ | | I Dodig | 6$^2$ | 2 | | | | | | | | | |
| | D Nalbandian | 6 | 6 | | | D Nalbandian | 7$^7$ | 6 | | | | | | | | | |
| | L Rosol | 1 | 1 | | | | | | | | D Nalbandian | 4 | 5 | | | | |
| | J Nieminen | 4 | 4 | | | | | | | 2 | A Murray | 6 | 7 | | | | |
| | A Bogomolov Jr. | 6 | 6 | | | A Bogomolov Jr. | 1 | 2 | | | | | | | | | |
| | M Baghdatis | 6$^4$ | 6 | 4 | 2 | A Murray | 6 | 6 | | | | | | | | | |
| 2 | A Murray | 7$^7$ | 2 | 6 | | | | | | | | | | | | | |