# 2011 Swiss Indoors – Singles

Roger Federer was the defending champion and retained the title, beating Kei Nishikori in the final, 6–1, 6–3. It was Federer's first title in almost ten months but was the first of three that Federer won in succession to end the season.

## Seeds

* Novak Djokovic (semifinals)
* Andy Murray (withdrew due to right gluteal strain)
* Roger Federer (champion)
* Tomáš Berdych (first round)
* Mardy Fish (first round, retired due to left hamstring injury)
* Janko Tipsarević (first round, retired due to left hamstring injury)
* Andy Roddick (quarterfinals)
* Viktor Troicki (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 | Semifinals | Final | Final | Final | Final |
| 1 | Novak Djokovic | 6 | 6$^4$ | 0 | | | | |
| WC | Kei Nishikori | 2 | 7$^7$ | 6 | | | | |
| WC | Kei Nishikori | 2 | 7$^7$ | 6 | WC | Kei Nishikori | 1 | 3 |
| | | | | | 3 | Roger Federer | 6 | 6 |
| 3 | Roger Federer | 7$^7$ | 6 | | 3 | Roger Federer | 6 | 6 |
| | Stanislas Wawrinka | 6$^5$ | 2 | | | | | |

### 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 | Semifinals |
| 1 | N Djokovic | 6 | 4 | 7 | | | | | | | | | | | | | | | |
| | X Malisse | 2 | 6 | 5 | 1 | N Djokovic | 6 | 6 | | | | | | | | | | | |
| Q | T Kamke | 7 | 5 | 2 | Q | Ł Kubot | 1 | 2 | | | | | | | | | | | |
| Q | Ł Kubot | 5 | 7 | 6 | | | | | | 1 | N Djokovic | 2 | 6 | 6 | | | | | |
| | M Youzhny | 4 | 3 | | | | | | | | M Baghdatis | 6 | 2 | 3 | | | | | |
| Q | M Lammer | 6 | 6 | | Q | M Lammer | 6$^2$ | 7$^7$ | 3 | | | | | | | | | | |
| | M Baghdatis | 4 | 7$^{10}$ | 6 | | M Baghdatis | 7$^7$ | 6$^2$ | 6 | | | | | | | | | | |
| 8 | V Troicki | 6 | 6$^8$ | 2 | | | | | | | | | | | 1 | N Djokovic | 6 | 6$^4$ | 0 |
| 4 | T Berdych | 6 | 3 | 2 | | | | | | | | | | | WC | K Nishikori | 2 | 7$^7$ | 6 |
| WC | K Nishikori | 3 | 6 | 6 | WC | K Nishikori | 6 | 7$^7$ | | | | | | | | | | | |
| | A Seppi | 7$^7$ | 6$^5$ | 6 | | A Seppi | 3 | 6$^4$ | | | | | | | | | | | |
| | G Müller | 6$^4$ | 7$^7$ | 2 | | | | | | WC | K Nishikori | 6 | 5 | 6 | | | | | |
| LL | M Kukushkin | 6 | 6 | | | | | | | LL | M Kukushkin | 4 | 7 | 4 | | | | | |
| WC | D Young | 4 | 2 | | LL | M Kukushkin | 6 | 6 | | | | | | | | | | | |
| Q | J Blake | 0 | | | Q | J Blake | 3 | 4 | | | | | | | | | | | |
| 5 | M Fish | 1$^r$ | | | | | | | | | | | | | | | | | |

### 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 | A Roddick | 6 | 6 | | | | | | | | | | | | | | |
| | T Haas | 3 | 4 | | 7 | A Roddick | 2 | 6 | 6 | | | | | | | | |
| | S Giraldo | 1 | 3 | | | R Štěpánek | 6 | 3 | 3 | | | | | | | | |
| | R Štěpánek | 6 | 6 | | | | | | | 7 | A Roddick | 3 | 2 | | | | |
| | T Bellucci | 7$^7$ | 4 | 3 | | | | | | 3 | R Federer | 6 | 6 | | | | |
| | J Nieminen | 6$^5$ | 6 | 6 | | J Nieminen | 1 | 6 | 3 | | | | | | | | |
| | P Starace | 6$^3$ | 4 | | 3 | R Federer | 6 | 4 | 6 | | | | | | | | |
| 3 | R Federer | 7$^7$ | 6 | | | | | | | | | | | 3 | R Federer | 7$^7$ | 6 |
| 6 | J Tipsarević | 1$^r$ | | | | | | | | | | | | | S Wawrinka | 6$^5$ | 2 |
| | F Mayer | 5 | | | | F Mayer | 6 | 6 | | | | | | | | | |
| | M Llodra | 5 | 4 | | | I Ljubičić | 3 | 1 | | | | | | | | | |
| | I Ljubičić | 7 | 6 | | | | | | | | F Mayer | 2 | 2 | | | | |
| | I Dodig | 4 | 4 | | | | | | | | S Wawrinka | 6 | 6 | | | | |
| | S Wawrinka | 6 | 6 | | | S Wawrinka | 4 | 6 | 6 | | | | | | | | |
| | R Haase | 6 | 7$^9$ | | | R Haase | 6 | 1 | 2 | | | | | | | | |
| LL | M Chiudinelli | 2 | 6$^7$ | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Bernard Tomic (first round)
* James Blake (qualified)
* Łukasz Kubot (qualified)
* Sergiy Stakhovsky (first round)
* Mikhail Kukushkin (qualifying competition, lucky loser)
* Denis Istomin (first round)
* Ryan Harrison (first round)
* Michael Berrer (first round)

### Qualifiers

* Michael Lammer
* James Blake
* Łukasz Kubot
* Tobias Kamke

### Lucky losers

* Mikhail Kukushkin
* Marco Chiudinelli

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Bernard Tomic | 7$^7$ | 4 | 5 | | | | | |
| WC | Michael Lammer | 6$^3$ | 6 | 7 | | | | | |
| WC | Michael Lammer | 6$^3$ | 6 | 7 | WC | Michael Lammer | 3 | 7$^7$ | 6 |
| | | | | | WC | Marco Chiudinelli | 6 | 6$^2$ | 0 |
| WC | Marco Chiudinelli | 7 | 6 | | WC | Marco Chiudinelli | 6 | 6$^2$ | 0 |
| 6 | Denis Istomin | 5 | 0 | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | James Blake | 6 | 6 | | | | | | |
| | Marsel İlhan | 2 | 2 | | | | | | |
| | Marsel İlhan | 2 | 2 | | 2 | James Blake | 7$^7$ | 3 | 6 |
| | | | | | 5 | Mikhail Kukushkin | 6$^4$ | 6 | 0 |
| | Andreas Haider-Maurer | 2 | 6 | 2 | 5 | Mikhail Kukushkin | 6$^4$ | 6 | 0 |
| 5 | Mikhail Kukushkin | 6 | 2 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Łukasz Kubot | 6 | 2 | 6 | | | | | |
| | Matthias Bachinger | 4 | 6 | 2 | | | | | |
| | Matthias Bachinger | 4 | 6 | 2 | 3 | Łukasz Kubot | 4 | 6 | 6 |
| | | | | | WC | Stéphane Bohli | 6 | 4 | 3 |
| WC | Stéphane Bohli | 6 | 7 | | WC | Stéphane Bohli | 6 | 4 | 3 |
| 7 | Ryan Harrison | 4 | 5 | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Sergiy Stakhovsky | 5 | 4 | | | | |
| | Lukáš Lacko | 7 | 6 | | | | |
| | Lukáš Lacko | 7 | 6 | | Lukáš Lacko | 6$^6$ | 3 |
| | | | | | Tobias Kamke | 7$^8$ | 6 |
| | Tobias Kamke | 6 | 2 | 6 | Tobias Kamke | 7$^8$ | 6 |
| 8 | Michael Berrer | 2 | 6 | 3 | | | |