# 2001 Generali Open – Singles

Àlex Corretja was the defending champion but lost in the second round to Stefan Koubek.
Nicolás Lapentti won in the final 1–6, 6–4, 7–5, 7–5 against Albert Costa.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All sixteen seeds received a bye to the second round.
* Juan Carlos Ferrero (quarterfinals)
* Yevgeny Kafelnikov (third round)
* Àlex Corretja (second round)
* Franco Squillari (third round)
* Guillermo Coria (semifinals)
* Nicolás Lapentti (champion)
* Guillermo Cañas (second round)
* Alberto Martín (third round)
* Gastón Gaudio (third round)
* Álex Calatrava (third round)
* Andrei Pavel (quarterfinals)
* Wayne Arthurs (second round, retired)
* Rainer Schüttler (third round)
* Andrea Gaudenzi (withdrew because of a torn right leg muscle)
* Fernando Vicente (second round)
* Francisco Clavet (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 | Final | Final | Final | Final | Final | Final |
| WC/6 | Nicolás Lapentti | 6 | 6 | | | | | | |
| | Galo Blanco | 2 | 4 | | | | | | |
| | Galo Blanco | 2 | 4 | WC/6 | Nicolás Lapentti | 1 | 6 | 7 | 7 |
| | | | | | Albert Costa | 6 | 4 | 5 | 5 |
| 5 | Guillermo Coria | 5 | 3 | | Albert Costa | 6 | 4 | 5 | 5 |
| | Albert Costa | 7 | 6 | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | J C Ferrero | 6 | 6 | | | | | | | | | | |
| Q | F González | 4 | 3 | WC | A Peya | 2 | 1 | | | | | | | | | | |
| WC | A Peya | 6 | 6 | | | | | | 1 | J C Ferrero | 6 | 6$^5$ | 6 | | | | |
| | A Di Pasquale | 4 | 4 | | | | | | | J Boutter | 4 | 7$^7$ | 3 | | | | |
| | J Boutter | 6 | 6 | | J Boutter | 6 | 6 | | | | | | | | | | |
| | | | | 16 | F Clavet | 1 | 2 | | | | | | | | | | |
| | | | | | | | | | | | | | | 1 | J C Ferrero | 6$^6$ | 2 |
| | | | | | | | | | | | | | | WC/6 | N Lapentti | 7$^8$ | 6 |
| | | | | 9 | G Gaudio | 4 | 7$^8$ | 6 | | | | | | | | | |
| Q | M Hantschk | 5 | 6$^3$ | Q | V Kutsenko | 6 | 6$^6$ | 3 | | | | | | | | | |
| Q | V Kutsenko | 7 | 7$^7$ | | | | | | 9 | G Gaudio | 2 | 2 | | | | | |
| | J Díaz | 3 | | | | | | | WC/6 | N Lapentti | 6 | 6 | | | | | |
| | J Golmard | 6 | r | | J Díaz | 0 | 5 | | | | | | | | | | |
| | | | | WC/6 | N Lapentti | 6 | 7 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | F Squillari | 4 | 6 | 6 | | | | | | | | | | |
| | F Meligeni | 6 | 2 | 6 | | F Meligeni | 6 | 3 | 3 | | | | | | | | | | |
| | C Vinck | 4 | 6 | 4 | | | | | | 4 | F Squillari | 6 | 6$^3$ | 0 | | | | | |
| | A Ilie | 6$^7$ | 6$^8$ | | | | | | | | G Blanco | 3 | 7$^7$ | 6 | | | | | |
| | G Blanco | 7$^9$ | 7$^{10}$ | | | G Blanco | 6$^5$ | 6 | 6 | | | | | | | | | | |
| | | | | | 15 | F Vicente | 7$^7$ | 2 | 1 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | G Blanco | 5 | 6 | 5 |
| | | | | | | | | | | | | | | | 11 | A Pavel | 7 | 4 | 1$^r$ |
| | | | | | 11 | A Pavel | 6 | 3 | 7$^7$ | | | | | | | | | | |
| | S Bruguera | 6 | 3 | | | S Bruguera | 2 | 6 | 6$^3$ | | | | | | | | | | |
| | J Acasuso | 1 | 2$^r$ | | | | | | | 11 | A Pavel | 6 | 6 | | | | | | |
| | A Calleri | 7 | 1$^r$ | | | | | | | 8 | A Martín | 1 | 0 | | | | | | |
| Q | G Trifu | 5 | 5 | | Q | G Trifu | 2 | 3 | | | | | | | | | | | |
| | | | | | 8 | A Martín | 6 | 6 | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | G Coria | 6 | 3 | 7$^9$ | | | | | | | | | |
| | F Mantilla | 6 | 3 | 6 | | F Mantilla | 1 | 6 | 6$^7$ | | | | | | | | | |
| WC | T Schiessling | 3 | 6 | 2 | | | | | | 5 | G Coria | 6 | 6 | | | | | |
| | Y El Aynaoui | 7 | 4 | 1 | | | | | | 10 | Á Calatrava | 1 | 1 | | | | | |
| Q | J Vacek | 5 | 6 | 6 | Q | J Vacek | 2 | 3 | | | | | | | | | | |
| | | | | | 10 | Á Calatrava | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 5 | G Coria | 6 | 6 |
| | | | | | | | | | | | | | | | | S Koubek | 4 | 0 |
| | | | | | 13 | R Schüttler | 6 | 7 | | | | | | | | | | |
| | C Doseděl | 2 | 3 | | Q | M-K Goellner | 1 | 5 | | | | | | | | | | |
| Q | M-K Goellner | 6 | 6 | | | | | | | 13 | R Schüttler | 6 | 5 | 5 | | | | |
| | J Siemerink | 5 | 0 | | | | | | | | S Koubek | 2 | 7 | 7 | | | | |
| | S Koubek | 7 | 6 | | | S Koubek | 4 | 6 | 6 | | | | | | | | | |
| | | | | | 3 | À Corretja | 6 | 1 | 4 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | G Cañas | 3 | 2 | | | | | | | | | |
| | K Alami | 4 | 2 | | | M Hipfl | 6 | 6 | | | | | | | | | |
| | M Hipfl | 6 | 6 | | | | | | | | M Hipfl | 5 | 2 | | | | |
| | A Costa | 7$^8$ | 6 | | | | | | | | A Costa | 7 | 6 | | | | |
| | D Elsner | 6$^6$ | 3 | | | A Costa | 3 | | | | | | | | | | |
| | | | | | 12 | W Arthurs | 1$^r$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | A Costa | 6 | 6 |
| | | | | | | | | | | | | | | LL | H Armando | 4 | 4 |
| | | | | | LL | H Armando | 6 | 7$^7$ | | | | | | | | | |
| | G Puentes | 2 | 4 | | | N Massú | 1 | 6$^5$ | | | | | | | | | |
| | N Massú | 6 | 6 | | | | | | | LL | H Armando | 6 | 6 | | | | |
| WC | O Marach | 2 | 7$^7$ | 6 | | | | | | 2 | Y Kafelnikov | 1 | 1 | | | | |
| | J Knippschild | 6 | 6$^4$ | 2 | WC | O Marach | 6$^1$ | 7 | 4 | | | | | | | | |
| | | | | | 2 | Y Kafelnikov | 7$^7$ | 5 | 6 | | | | | | | | |