# 2005 Gerry Weber Open – Singles

Roger Federer was the two-time defending champion, and won in the final 6–4, 6–7$^{(6–8)}$, 6–4, against Marat Safin. With this victory, Federer equalled Yevgeny Kafelnikov's record for three singles titles in Halle; and he became the first to win three consecutive singles titles at the tournament. Federer also won the doubles title, partnering Yves Allegro.

## Seeds

* Roger Federer (champion)
* Marat Safin (final)
* Rafael Nadal (first round)
* Guillermo Cañas (semifinals)
* David Nalbandian (first round)
* Joachim Johansson (first round)
* Tommy Haas (semifinals)
* Feliciano López (second 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 | Final |
| 1 | Roger Federer | 6 | 7$^{11}$ | | | | | | |
| 7 | Tommy Haas | 4 | 6$^9$ | | | | | | |
| 7 | Tommy Haas | 4 | 6$^9$ | | 1 | Roger Federer | 6 | 6$^6$ | 6 |
| | | | | | 2 | Marat Safin | 4 | 7$^8$ | 4 |
| 4 | Guillermo Cañas | 3 | 6 | 2 | 2 | Marat Safin | 4 | 7$^8$ | 4 |
| 2 | Marat Safin | 6 | 4 | 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 |
| 1 | R Federer | 6$^5$ | 7$^8$ | 6 | | | | | | | | | | | | | |
| | R Söderling | 7$^7$ | 6$^6$ | 4 | 1 | R Federer | 6 | 6 | | | | | | | | | |
| | M Youzhny | 4 | 6$^4$ | | | F Mayer | 2 | 4 | | | | | | | | | |
| | F Mayer | 6 | 7$^7$ | | | | | | | 1 | R Federer | 6 | 6 | | | | |
| | M Llodra | 6$^2$ | 7$^8$ | 2 | | | | | | | P Kohlschreiber | 3 | 4 | | | | |
| Q | Y-t Wang | 7$^7$ | 6$^6$ | 6 | Q | Y-t Wang | 2 | 7 | 6$^6$ | | | | | | | | |
| | P Kohlschreiber | 7$^7$ | 6 | | | P Kohlschreiber | 6 | 5 | 7$^8$ | | | | | | | | |
| 6 | J Johansson | 6$^4$ | 1 | | | | | | | | | | | 1 | R Federer | 6 | 7$^{11}$ |
| 3 | R Nadal | 6 | 5 | 3 | | | | | | | | | | 7 | T Haas | 4 | 6$^9$ |
| WC | A Waske | 4 | 7 | 6 | WC | A Waske | 6$^5$ | 7$^9$ | 3 | | | | | | | | |
| Q | V Voltchkov | 7$^7$ | 4 | 4 | WC | JC Ferrero | 7$^7$ | 6$^7$ | 6 | | | | | | | | |
| WC | JC Ferrero | 6$^5$ | 6 | 6 | | | | | | WC | JC Ferrero | 2 | 5 | | | | |
| | J Melzer | 7 | 6$^3$ | 7$^7$ | | | | | | 7 | T Haas | 6 | 7 | | | | |
| | A Martín | 5 | 7$^7$ | 6$^3$ | | J Melzer | 2 | 6 | 4 | | | | | | | | |
| | J Vaněk | 4 | 1 | | 7 | T Haas | 6 | 3 | 6 | | | | | | | | |
| 7 | T Haas | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | D Nalbandian | 3 | 3 | | | | | | | | | | | | | | | |
| | R Schüttler | 6 | 6 | | | R Schüttler | 6 | 6 | | | | | | | | | | |
| | C Rochus | 4 | 6 | 1 | Q | D Norman | 3 | 3 | | | | | | | | | | |
| Q | D Norman | 6 | 3 | 6 | | | | | | | R Schüttler | 4 | 4 | | | | | |
| | N Kiefer | 7$^7$ | 3 | 4 | | | | | | 4 | G Cañas | 6 | 6 | | | | | |
| Q | N Zimonjić | 6$^1$ | 6 | 6 | Q | N Zimonjić | 3 | 6$^3$ | | | | | | | | | | |
| | F Verdasco | 4 | 4 | | 4 | G Cañas | 6 | 7$^7$ | | | | | | | | | | |
| 4 | G Cañas | 6 | 6 | | | | | | | | | | | 4 | G Cañas | 3 | 6 | 2 |
| 8 | F López | 7$^7$ | 7$^7$ | | | | | | | | | | | 2 | M Safin | 6 | 4 | 6 |
| | K Carlsen | 6$^3$ | 6$^5$ | | 8 | F López | 6$^2$ | 3 | | | | | | | | | | |
| | C Saulnier | 4 | 4 | | | O Rochus | 7$^7$ | 6 | | | | | | | | | | |
| | O Rochus | 6 | 6 | | | | | | | | O Rochus | 4 | 6$^4$ | | | | | |
| | A Pavel | 5 | 2 | | | | | | | 2 | M Safin | 6 | 7$^7$ | | | | | |
| | F Santoro | 7 | 6 | | | F Santoro | 6 | 6$^7$ | 2$^r$ | | | | | | | | | |
| WC | A Popp | 3 | 2 | | 2 | M Safin | 3 | 7$^9$ | 3 | | | | | | | | | |
| 2 | M Safin | 6 | 6 | | | | | | | | | | | | | | | |