# 2012 Gerry Weber Open – Singles

Philipp Kohlschreiber was the defending champion but lost to Tommy Haas in the semifinals.
Haas went on to win the title after defeating five-time champion Roger Federer in the final 7–6$^{(7–5)}$, 6–4.

## Seeds

The top four seeds receive a bye into the second round.
* Rafael Nadal (quarterfinals)
* Roger Federer (final)
* Tomáš Berdych (quarterfinals)
* Alexandr Dolgopolov (second round)
* Milos Raonic (quarterfinals)
* Marcel Granollers (second round)
* Andreas Seppi (first round)
* Philipp Kohlschreiber (semifinal)

## 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 |
| 8 | Philipp Kohlschreiber | 6$^5$ | 5 | | | | |
| WC | Tommy Haas | 7$^7$ | 7 | | | | |
| WC | Tommy Haas | 7$^7$ | 7 | WC | Tommy Haas | 7$^7$ | 6 |
| | | | | 2 | Roger Federer | 6$^5$ | 4 |
| | Mikhail Youzhny | 1 | 4 | 2 | Roger Federer | 6$^5$ | 4 |
| 2 | Roger Federer | 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 | 7 | 6 | | | | | | | | | | |
| | L Lacko | 2 | 6 | 6 | | L Lacko | 5 | 1 | | | | | | | | | | |
| Q | K Kravchuk | 6 | 2 | 3 | | | | | | 1 | R Nadal | 3 | 4 | | | | | |
| | J Nieminen | 4 | 4 | | | | | | | 8 | P Kohlschreiber | 6 | 6 | | | | | |
| | Ł Kubot | 6 | 6 | | | Ł Kubot | 7$^7$ | 1 | 3 | | | | | | | | | |
| WC | D Brown | 6$^4$ | 6$^4$ | | 8 | P Kohlschreiber | 6$^5$ | 6 | 6 | | | | | | | | | |
| 8 | P Kohlschreiber | 7$^7$ | 7$^7$ | | | | | | | | | | | | 8 | P Kohlschreiber | 6$^5$ | 5 |
| | | | | | | | | | | | | | | | WC | T Haas | 7$^7$ | 7 |
| | | | | | 3 | T Berdych | 6 | 6 | | | | | | | | | | |
| PR | B Becker | 2 | 6$^6$ | | | V Troicki | 3 | 2 | | | | | | | | | | |
| | V Troicki | 6 | 7$^8$ | | | | | | | 3 | T Berdych | 4 | 6 | 5 | | | | |
| WC | T Haas | 5 | | | | | | | | WC | T Haas | 6 | 3 | 7 | | | | |
| | B Tomic | 2$^r$ | | | WC | T Haas | 6 | 6 | | | | | | | | | | |
| Q | M Zverev | 4 | 2 | | 6 | M Granollers | 3 | 4 | | | | | | | | | | |
| 6 | M Granollers | 6 | 6 | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | A Seppi | 6$^6$ | 6 | 6$^7$ | | | | | | | | | | | | | | |
| | R Štěpánek | 7$^8$ | 4 | 7$^9$ | | R Štěpánek | 6 | 6 | | | | | | | | | | |
| | C-M Stebe | 6 | 3 | 7 | | C-M Stebe | 4 | 4 | | | | | | | | | | |
| | C Berlocq | 3 | 6 | 5 | | | | | | | R Štěpánek | 4 | 6 | 4 | | | | |
| | M Youzhny | 6 | 6 | | | | | | | | M Youzhny | 6 | 4 | 6 | | | | |
| | R Haase | 3 | 2 | | | M Youzhny | 6 | 3 | 6 | | | | | | | | | |
| | | | | | 4 | A Dolgopolov | 4 | 6 | 3 | | | | | | | | | |
| | | | | | | | | | | | | | | | | M Youzhny | 1 | 4 |
| 5 | M Raonic | 7 | 7$^7$ | | | | | | | | | | | | 2 | R Federer | 6 | 6 |
| WC | P Petzschner | 5 | 6$^1$ | | 5 | M Raonic | 6 | 6 | | | | | | | | | | |
| | T Kamke | 4 | 6$^2$ | | Q | Z Zhang | 1 | 1 | | | | | | | | | | |
| Q | Z Zhang | 6 | 7$^7$ | | | | | | | 5 | M Raonic | 7$^7$ | 4 | 6$^3$ | | | | |
| Q | T Smyczek | 4 | 4 | | | | | | | 2 | R Federer | 6$^4$ | 6 | 7$^7$ | | | | |
| | F Mayer | 6 | 6 | | | F Mayer | 4 | 5 | | | | | | | | | | |
| | | | | | 2 | R Federer | 6 | 7 | | | | | | | | | | |

## Qualifying
### Seeds

* Igor Sijsling (second round)
* Marco Chiudinelli (second round)
* Alexander Kudryavtsev (qualifying competition)
* Maxime Authom (qualifying competition)
* Konstantin Kravchuk (qualified)
* Jan Hernych (qualifying competition)
* Tim Smyczek (qualified)
* Zhang Ze (qualified)

### Qualifiers

* Mischa Zverev
* Zhang Ze
* Konstantin Kravchuk
* Tim Smyczek

### Draw
#### First qualifier

| First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | 1 | Igor Sijsling | 6 | 4 | 2 | | | | |
| Mischa Zverev | 7$^{10}$ | 7 | | Mischa Zverev | 3 | 6 | 6 | | | | |
| Radu Albot | 6$^8$ | 5 | | | | | | | Mischa Zverev | 6 | 6 |
| Érik Chvojka | 6 | 3 | | | | | | 6 | Jan Hernych | 3 | 4 |
| Evgeny Kirillov | 3 | 0$^r$ | | Érik Chvojka | 6 | 4 | 2 | | | | |
| | | | 6 | Jan Hernych | 3 | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | 2 | Marco Chiudinelli | 2 | 7 | 4 | | | | | |
| Denys Molchanov | 7$^7$ | 2 | 6 | | Denys Molchanov | 6 | 5 | 6 | | | | | |
| Ilija Bozoljac | 6$^4$ | 6 | 4 | | | | | | | Denys Molchanov | 6 | 1 | 4 |
| Mikhail Ledovskikh | 7 | 7 | | | | | | | 8 | Zhang Ze | 1 | 6 | 6 |
| Andre Begemann | 5 | 5 | | | Mikhail Ledovskikh | 4 | 1 | | | | | | |
| | | | | 8 | Zhang Ze | 6 | 6 | | | | | | |

#### Third qualifier

| First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | 3 | Alexander Kudryavtsev | 6 | 6 | | | |
| Albano Olivetti | 6 | 6 | | Albano Olivetti | 4 | 2 | | | |
| Philipp Marx | 3 | 4 | | | | | 3 | Alexander Kudryavtsev | 2$^r$ |
| Jaan-Frederik Brunken | 6 | 6 | | | | | 5 | Konstantin Kravchuk | 5 |
| Johan Brunström | 4 | 4 | | Jaan-Frederik Brunken | 2 | 4 | | | |
| | | | 5 | Konstantin Kravchuk | 6 | 6 | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| | | | | 4 | Maxime Authom | 6 | 6 | | | | |
| Jan-Lennard Struff | 5 | 6 | 1 | | Alex Kuznetsov | 4 | 2 | | | | |
| Alex Kuznetsov | 7 | 4 | 6 | | | | | 4 | Maxime Authom | 6$^8$ | 4 |
| André Ghem | 3 | 7 | 4 | | | | | 7 | Tim Smyczek | 7$^{10}$ | 6 |
| John Millman | 6 | 5 | 6 | | John Millman | 3 | 5 | | | | |
| | | | | 7 | Tim Smyczek | 6 | 7 | | | | |