# 2006 Estoril Open – Men's singles

In the men's singles final, David Nalbandian defeated Nikolay Davydenko with a score of 6–3, 6–4.

## Seeds

* David Nalbandian (champion)
* Nikolay Davydenko (finalist)
* Tommy Robredo (withdrew due to abdominal injury)
* Gaël Monfils (second round)
* Dmitry Tursunov (second round)
* Carlos Moyà (semifinals)
* Nicolás Massú (second round)
* Christophe Rochus (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 | David Nalbandian | 7 | 6 | | | | | |
| | Albert Portas | 5 | 1 | | | | | |
| | Albert Portas | 5 | 1 | | 1 | David Nalbandian | 6 | 6 |
| | | | | | 2 | Nikolay Davydenko | 3 | 4 |
| 6/WC | Carlos Moyà | 6 | 2 | 2 | 2 | Nikolay Davydenko | 3 | 4 |
| 2 | Nikolay Davydenko | 3 | 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 |
| 1 | D Nalbandian | 7 | 7 | | | | | | | | | | | | | | |
| | N Mahut | 5 | 5 | | 1 | D Nalbandian | 6 | 7$^7$ | | | | | | | | | |
| LL | J Chardy | 7 | 6 | | LL | J Chardy | 1 | 6$^0$ | | | | | | | | | |
| | Y-t Wang | 5 | 1 | | | | | | | 1 | D Nalbandian | 6 | 6 | | | | |
| LL | D Luque-Velasco | 6 | 6$^5$ | 4 | | | | | | WC | F Gil | 2 | 1 | | | | |
| WC | F Gil | 1 | 7$^7$ | 6 | WC | F Gil | 4 | 6 | 6 | | | | | | | | |
| LL | G Elias | 2 | 1 | | 5 | D Tursunov | 6 | 4 | 1 | | | | | | | | |
| 5 | D Tursunov | 6 | 6 | | | | | | | | | | | 1 | D Nalbandian | 7 | 6 |
| 4/WC | G Monfils | 6 | 6 | | | | | | | | | | | | A Portas | 5 | 1 |
| | R Sabău | 1 | 2 | | 4/WC | G Monfils | 6 | 6$^3$ | 4 | | | | | | | | |
| | J A Marín | 3 | 4 | | 5 | A Portas | 3 | 7$^7$ | 6 | | | | | | | | |
| | A Portas | 6 | 6 | | | | | | | | A Portas | 6 | 6 | | | | |
| | L Dlouhý | 6 | 5 | 3 | | | | | | | J Gimelstob | 4 | 3 | | | | |
| | J Gimelstob | 3 | 7 | 6 | | J Gimelstob | 2 | 7$^7$ | 6 | | | | | | | | |
| | R Sluiter | 0 | 5 | | 7 | N Massú | 6 | 6$^3$ | 4 | | | | | | | | |
| 7 | N Massú | 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 |
| 6/WC | C Moyà | 6 | 6 | | | | | | | | | | | | | | | |
| | F Saretta | 3 | 4 | | 6/WC | C Moyà | 6 | 7 | | | | | | | | | | |
| Q | G Marcaccio | 6 | 6 | | Q | G Marcaccio | 1 | 5 | | | | | | | | | | |
| | T Zíb | 4 | 2 | | | | | | | 6/WC | C Moyà | 7$^7$ | 6 | | | | | |
| | G García López | 6 | 4 | 6 | | | | | | | G García López | 6$^4$ | 4 | | | | | |
| Q | L Azzaro | 4 | 6 | 4 | | G García López | 6$^{11}$ | 7 | 7$^7$ | | | | | | | | | |
| | C Berlocq | 6 | 6 | | | C Berlocq | 7$^{13}$ | 5 | 6$^5$ | | | | | | | | | |
| LL | D Pérez | 0 | 1 | | | | | | | | | | | 6/WC | C Moyà | 6 | 2 | 2 |
| 8 | C Rochus | 2 | 0 | | | | | | | | | | | 2 | N Davydenko | 3 | 6 | 6 |
| | G Müller | 6 | 6 | | | G Müller | 6 | 6 | | | | | | | | | | |
| | N Lapentti | 6$^3$ | 6 | 6 | | N Lapentti | 1 | 4 | | | | | | | | | | |
| Q | M Przysiężny | 7$^7$ | 4 | 4 | | | | | | | G Müller | 4 | 4 | | | | | |
| | M Safin | 6 | 6 | | | | | | | 2 | N Davydenko | 6 | 6 | | | | | |
| Q | Fabio Fognini | 1 | 4 | | | M Safin | 6 | 1 | 1 | | | | | | | | | |
| | V Spadea | 6$^3$ | 3 | | 2 | N Davydenko | 4 | 6 | 6 | | | | | | | | | |
| 2 | N Davydenko | 7$^7$ | 6 | | | | | | | | | | | | | | | |