# 2001 Energis Open – Singles

The 2001 Energis Open tennis tournament was played in Amsterdam, Netherlands in July 2001.
Magnus Gustafsson was the defending singles champion but lost in the semifinals to Younes El Aynaoui.
Àlex Corretja won in the final 6–3, 5–7, 7–6$^{(7–0)}$, 3–6, 6–4 against El Aynaoui.

## Seeds

* Sébastien Grosjean (first round)
* Àlex Corretja (champion)
* Sjeng Schalken (semifinals)
* Álex Calatrava (quarterfinals)
* Mikhail Youzhny (second round)
* Magnus Gustafsson (semifinals)
* Olivier Rochus (quarterfinals)
* Michel Kratochvil (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 | Final | Final | Final | Final | Final | Final | Final |
| | Younes El Aynaoui | 6 | 7 | | | | | | | |
| 6 | M Gustafsson | 4 | 5 | | | | | | | |
| 6 | M Gustafsson | 4 | 5 | | Younes El Aynaoui | 3 | 7 | 6$^0$ | 6 | 4 |
| | | | | 2 | Àlex Corretja | 6 | 5 | 7$^7$ | 3 | 6 |
| 3 | S Schalken | 6$^4$ | 1 | 2 | Àlex Corretja | 6 | 5 | 7$^7$ | 3 | 6 |
| 2 | Àlex Corretja | 7$^7$ | 6 | | | | | | | |

### Section 1

| 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 | S Grosjean | 4 | 4 | | | | | | | | | | | | | | | |
| Q | J I Chela | 6 | 6 | | Q | J I Chela | 6 | 6 | | | | | | | | | | |
| | N Davydenko | 6 | 6 | | | N Davydenko | 2 | 4 | | | | | | | | | | |
| | D Norman | 3 | 3 | | | | | | | Q | J I Chela | 6$^4$ | 6 | 5 | | | | |
| | Y El Aynaoui | 6 | 7$^7$ | | | | | | | | Y El Aynaoui | 7$^7$ | 4 | 7 | | | | |
| Q | D van Scheppingen | 1 | 6$^4$ | | | Y El Aynaoui | 6 | 6 | | | | | | | | | | |
| | M Zabaleta | 6$^6$ | 6 | 1 | 5 | M Youzhny | 2 | 3 | | | | | | | | | | |
| 5 | M Youzhny | 7$^8$ | 4 | 6 | | | | | | | | | | | | Y El Aynaoui | 6 | 7 |
| 4 | Á Calatrava | 6 | 6 | | | | | | | | | | | | 6 | M Gustafsson | 4 | 5 |
| | A Popp | 1 | 2 | | 4 | Á Calatrava | 4 | 6 | 6 | | | | | | | | | |
| | E Kempes | 4 | 7$^7$ | 6 | | E Kempes | 6 | 3 | 3 | | | | | | | | | |
| | R Sluiter | 6 | 6$^4$ | 3 | | | | | | 4 | Á Calatrava | 7 | 4 | 4 | | | | |
| | P Wessels | 3 | 4 | | | | | | | 6 | M Gustafsson | 5 | 6 | 6 | | | | |
| Q | J A Marín | 6 | 6 | | Q | J A Marín | 6$^4$ | 3 | | | | | | | | | | |
| WC | J van Lottum | 1 | 6 | 2 | 6 | M Gustafsson | 7$^7$ | 6 | | | | | | | | | | |
| 6 | M Gustafsson | 6 | 4 | 6 | | | | | | | | | | | | | | |

### Section 2

| 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 |
| WC/7 | O Rochus | 3 | 7$^7$ | 7 | | | | | | | | | | | | | | |
| | A Simoni | 6 | 6$^5$ | 5 | WC/7 | O Rochus | 6 | 6 | | | | | | | | | | |
| SE | M Lee | 6 | 6 | | SE | M Lee | 4 | 0 | | | | | | | | | | |
| | K Alami | 4 | 0 | | | | | | | WC/7 | O Rochus | 2 | 6 | 1 | | | | |
| | J Siemerink | 6$^5$ | 7$^{10}$ | 6 | | | | | | 3 | S Schalken | 6 | 2 | 6 | | | | |
| | A Sá | 7$^7$ | 6$^8$ | 4 | | J Siemerink | 6 | 4 | 4 | | | | | | | | | |
| | C Rochus | 3 | 4 | | 3 | S Schalken | 3 | 6 | 6 | | | | | | | | | |
| 3 | S Schalken | 6 | 6 | | | | | | | | | | | | 3 | S Schalken | 6$^4$ | 1 |
| 8 | M Kratochvil | 4 | 3 | | | | | | | | | | | | 2 | À Corretja | 7$^7$ | 6 |
| | A Stoliarov | 6 | 6 | | | A Stoliarov | 7$^7$ | 6 | | | | | | | | | | |
| | J Knippschild | 7$^7$ | 6 | | | J Knippschild | 6$^2$ | 1 | | | | | | | | | | |
| | P Srichaphan | 6$^4$ | 4 | | | | | | | | A Stoliarov | 3 | 5 | | | | | |
| Q | O Mutis | 6 | 2 | 6 | | | | | | 2 | À Corretja | 6 | 7 | | | | | |
| WC | M Verkerk | 1 | 6 | 3 | Q | O Mutis | 2 | 6 | 4 | | | | | | | | | |
| | F Meligeni | 5 | 4 | | 2 | À Corretja | 6 | 4 | 6 | | | | | | | | | |
| 2 | À Corretja | 7 | 6 | | | | | | | | | | | | | | | |