# 2001 Estoril Open – Men's singles

This tournament took place between April 9 and 15, 2001.
Carlos Moyá was the defending champion but did not compete that year.
Juan Carlos Ferrero won in the final 7–6$^{(7–3)}$, 4–6, 6–3 against Félix Mantilla.

## Seeds

* Juan Carlos Ferrero (champion)
* Tim Henman (second round)
* Dominik Hrbatý (quarterfinals)
* Franco Squillari (quarterfinals)
* Andrei Pavel (semifinals)
* Michael Chang (first round)
* Nicolás Lapentti (first round)
* Albert Costa (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 | Final |
| 1 | Juan Carlos Ferrero | 6 | 6 | | | | | | |
| | Albert Portas | 3 | 1 | | | | | | |
| | Albert Portas | 3 | 1 | | 1 | Juan Carlos Ferrero | 7$^7$ | 4 | 6 |
| | | | | | Q | Félix Mantilla | 6$^3$ | 6 | 3 |
| 5 | Andrei Pavel | 2 | 6 | 2 | Q | Félix Mantilla | 6$^3$ | 6 | 3 |
| Q | Félix Mantilla | 6 | 3 | 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 | J C Ferrero | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | H Levy | 3 | 6$^2$ | | 1 | J C Ferrero | 6 | 6 | | | | | | | | | |
| | C Doseděl | 6 | 6 | | | C Doseděl | 3 | 0 | | | | | | | | | |
| WC | E Couto | 3 | 4 | | | | | | | 1 | J C Ferrero | 6 | 6 | | | | |
| | K Kučera | 6 | 7$^7$ | | | | | | | Q | A Montañés | 2 | 4 | | | | |
| | N Davydenko | 3 | 6$^3$ | | | K Kučera | 3 | 3 | | | | | | | | | |
| Q | A Montañés | 6 | 6 | | Q | A Montañés | 6 | 6 | | | | | | | | | |
| 6 | M Chang | 1 | 3 | | | | | | | | | | | 1 | J C Ferrero | 6 | 6 |
| 3 | D Hrbatý | 6 | 7 | | | | | | | | | | | | A Portas | 3 | 1 |
| | M Youzhny | 1 | 5 | | 3 | D Hrbatý | 6 | 6 | | | | | | | | | |
| WC | T Sousa | 5 | 4 | | | J Siemerink | 1 | 3 | | | | | | | | | |
| | J Siemerink | 7 | 6 | | | | | | | 3 | D Hrbatý | 2 | 4 | | | | |
| | G Pozzi | 3 | 6 | 3 | | | | | | | A Portas | 6 | 6 | | | | |
| | A Portas | 6 | 4 | 6 | | A Portas | 6$^2$ | 6 | 6 | | | | | | | | |
| | G Coria | 7$^{11}$ | 6 | | | G Coria | 7$^7$ | 4 | 1 | | | | | | | | |
| 7 | N Lapentti | 6$^9$ | 0 | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 5 | A Pavel | 6 | 6 | | | | | | | | | | | | | | | | |
| Q | X Malisse | 1 | 1 | | 5 | A Pavel | 6 | 6 | | | | | | | | | | | |
| Q | J A Viloca | 2 | 6$^4$ | | | D Sánchez | 4 | 1 | | | | | | | | | | | |
| | D Sánchez | 6 | 7$^7$ | | | | | | | 5 | A Pavel | 7$^8$ | 7$^8$ | | | | | | |
| | M Tabara | 3 | 4 | | | | | | | WC/4 | F Squillari | 6$^6$ | 6$^6$ | | | | | | |
| | A Martín | 6 | 6 | | | A Martín | 3 | 6 | 3 | | | | | | | | | | |
| | C Rochus | 4 | 6$^3$ | | WC/4 | F Squillari | 6 | 2 | 6 | | | | | | | | | | |
| WC/4 | F Squillari | 6 | 7$^7$ | | | | | | | | | | | | 5 | A Pavel | 2 | 6 | 2 |
| 8 | A Costa | 4 | 2 | | | | | | | | | | | | Q | F Mantilla | 6 | 3 | 6 |
| | M Hipfl | 6 | 6 | | | M Hipfl | 5 | 6 | 6 | | | | | | | | | | |
| | J Balcells | 6 | 3 | | | J Balcells | 7 | 4 | 0 | | | | | | | | | | |
| | A Medvedev | 2 | 0$^r$ | | | | | | | | M Hipfl | 6 | 3 | 1 | | | | | |
| | J Novák | 6 | 4 | 3 | | | | | | Q | F Mantilla | 3 | 6 | 6 | | | | | |
| Q | F Mantilla | 4 | 6 | 6 | Q | F Mantilla | 7 | 6 | | | | | | | | | | | |
| | S Koubek | 4 | 1 | | 2 | T Henman | 5 | 1 | | | | | | | | | | | |
| 2 | T Henman | 6 | 6 | | | | | | | | | | | | | | | | |