2001 Brasil Open – Men's singles
# 2001 Brasil Open – Men's singles

Jan Vacek won in the final 2–6, $7–6^{(7–2)},$ 6–3 against Fernando Meligeni.

## Seeds

* Gustavo Kuerten (first round)
* Guillermo Cañas (quarterfinals)
* Vladimir Voltchkov (first round)
* Nicolás Massú (second round)
* Fernando Meligeni (final)
* Alexandre Simoni (semifinals)
* Agustín Calleri (semifinals)
* Mariano Zabaleta (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 |
| - | - | - | - | - | - | - | - | - |
| | Jan Vacek | $7^7$ | 6 | | | | | |
| 6 | Alexandre Simoni | $6^5$ | 2 | | | | | |
| 6 | Alexandre Simoni | $6^5$ | 2 | | Jan Vacek | 2 | $7^7$ | 6 |
| | | | | 5 | Fernando Meligeni | 6 | $6^2$ | 3 |
| 5 | Fernando Meligeni | $7^7$ | 7 | 5 | Fernando Meligeni | 6 | $6^2$ | 3 |
| 7 | Agustín Calleri | $6^5$ | 5 | | | | | |

### 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 | G Kuerten | 6 | 2 | 4 | | | | | | | | | | | | | | |
| WC | F Saretta | 4 | 6 | 6 | WC | F Saretta | 6 | 6 | | | | | | | | | | |
| | J Delgado | 3 | 5 | | | M Hantschk | 4 | 1 | | | | | | | | | | |
| | M Hantschk | 6 | 7 | | | | | | | WC | F Saretta | 6 | 3 | 2 | | | | |
| | J Vacek | 2 | $7^7$ | 6 | | | | | | | J Vacek | 1 | 6 | 6 | | | | |
| WC | J Oncins | 6 | $6^2$ | 2 | | J Vacek | 3 | 6 | $7^8$ | | | | | | | | | |
| | C Saulnier | $7^8$ | $6^5$ | $6^4$ | 8 | M Zabaleta | 6 | 4 | $6^6$ | | | | | | | | | |
| 8 | M Zabaleta | $6^6$ | $7^7$ | $7^7$ | | | | | | | | | | | | J Vacek | $7^7$ | 6 |
| 4 | N Massú | 6 | 2 | 6 | | | | | | | | | | | 6 | A Simoni | $6^5$ | 2 |
| LL | I Hirigoyen | 2 | 6 | 2 | 4 | N Massú | 6 | $6^4$ | 3 | | | | | | | | | |
| | A Sá | 1 | 6 | 2 | Q | R Mello | 1 | $7^7$ | 6 | | | | | | | | | |
| Q | R Mello | 6 | 1 | 6 | | | | | | Q | R Mello | 4 | 3 | | | | | |
| | K Alami | 4 | 3 | | | | | | | 6 | A Simoni | 6 | 6 | | | | | |
| Q | F González | 6 | 6 | | Q | F González | 0 | 3 | | | | | | | | | | |
| | N Davydenko | 3 | 6 | 3 | 6 | A Simoni | 6 | 6 | | | | | | | | | | |
| 6 | A Simoni | 6 | 4 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 5 | F Meligeni | 6 | 6 | | | | | | | | | | | | |
| Q | F Costa | 1 | 2 | 5 | F Meligeni | 7 | 6 | | | | | | | | |
| | F Browne | 6 | 6 | | F Browne | 5 | 4 | | | | | | | | |
| | N Godwin | 2 | 3 | | | | | 5 | F Meligeni | 6 | 6 | | | | |
| | A Pretzsch | $6^3$ | 4 | | | | | | R Delgado | 1 | 4 | | | | |
| | C Mamiit | $7^7$ | 6 | | C Mamiit | 2 | 4 | | | | | | | | |
| | R Delgado | 7 | 7 | | R Delgado | 6 | 6 | | | | | | | | |
| 3 | V Voltchkov | 5 | 5 | | | | | | | | | 5 | F Meligeni | $7^7$ | 7 |
| 7 | A Calleri | 6 | $7^7$ | | | | | | | | | 7 | A Calleri | $6^5$ | 5 |
| | L Horna | 0 | $6^4$ | 7 | A Calleri | 6 | 7 | | | | | | | | |
| Q | M Washington | 5 | 4 | | I Heuberger | 3 | 5 | | | | | | | | |
| | I Heuberger | 7 | 6 | | | | | 7 | A Calleri | $7^7$ | 6 | | | | |
| | M Lee | 6 | 6 | | | | | 2 | G Cañas | $6^5$ | 4 | | | | |
| | N Thomann | 4 | 2 | | M Lee | 2 | 2 | | | | | | | | |
| WC | T Alves | 3 | 4 | 2 | G Cañas | 6 | 6 | | | | | | | | |
| 2 | G Cañas | 6 | 6 | | | | | | | | | | | | |
