# 2001 Grand Prix de Tennis de Lyon – Singles

Arnaud Clément was the defending champion but lost in the second round to Xavier Malisse.
Ivan Ljubičić won in the final 6–3, 6–2 against Younes El Aynaoui.

## Seeds

* Gustavo Kuerten (first round)
* Juan Carlos Ferrero (quarterfinals)
* Marat Safin (semifinals)
* Sébastien Grosjean (second round)
* Arnaud Clément (second round)
* Thomas Johansson (withdrew)
* Albert Portas (first round)
* Nicolás Lapentti (second round)
* Sjeng Schalken (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 |
| | Ivan Ljubičić | 6$^3$ | 7$^7$ | 7$^9$ | | | |
| WC/3 | Marat Safin | 7$^7$ | 6$^4$ | 6$^7$ | | | |
| WC/3 | Marat Safin | 7$^7$ | 6$^4$ | 6$^7$ | Ivan Ljubičić | 6 | 6 |
| | | | | | Younes El Aynaoui | 3 | 2 |
| | Xavier Malisse | 6$^5$ | 2 | | Younes El Aynaoui | 3 | 2 |
| | Younes El Aynaoui | 7$^7$ | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | G Kuerten | 6$^1$ | 2 | | | | | | | | | | | | | | | | |
| | I Ljubičić | 7$^7$ | 6 | | | I Ljubičić | 7 | 7 | | | | | | | | | | | |
| Q | G Pozzi | 3 | 3 | | Q | J Benneteau | 5 | 5 | | | | | | | | | | | |
| Q | J Benneteau | 6 | 6 | | | | | | | | I Ljubičić | 6 | 6$^5$ | 6 | | | | | |
| | G Gaudio | 6 | 7$^7$ | | | | | | | | G Gaudio | 3 | 7$^7$ | 1 | | | | | |
| | A Dupuis | 4 | 6$^4$ | | | G Gaudio | 3 | 7 | 6 | | | | | | | | | | |
| | M Tabara | 4 | 6 | 6 | | M Tabara | 6 | 5 | 3 | | | | | | | | | | |
| 7 | A Portas | 6 | 2 | 2 | | | | | | | | | | | | I Ljubičić | 6$^3$ | 7$^7$ | 7$^9$ |
| WC/3 | M Safin | 6 | 7 | | | | | | | | | | | | WC/3 | M Safin | 7$^7$ | 6$^4$ | 6$^7$ |
| | F Squillari | 4 | 5 | | WC/3 | M Safin | 6 | 6 | | | | | | | | | | | |
| Q | N Okun | 3 | 7 | 7$^{10}$ | Q | N Okun | 3 | 4 | | | | | | | | | | | |
| | W Arthurs | 6 | 5 | 6$^8$ | | | | | | WC/3 | M Safin | 2 | 6 | 6 | | | | | |
| | M Mirnyi | 4 | 6 | 6 | | | | | | | M Mirnyi | 6 | 4 | 4 | | | | | |
| | R Schüttler | 6 | 4 | 3 | | M Mirnyi | 7$^7$ | 6 | | | | | | | | | | | |
| | H Arazi | 2 | 7 | 6 | | H Arazi | 6$^4$ | 2 | | | | | | | | | | | |
| 9 | S Schalken | 6 | 5 | 3 | | | | | | | | | | | | | | | |

### 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 |
| 5 | A Clément | 4 | 6 | 6 | | | | | | | | | | | | |
| WC | M Llodra | 6 | 3 | 1 | 5 | A Clément | 5 | 6 | 6$^6$ | | | | | | | |
| | X Malisse | 7$^8$ | 6 | | | X Malisse | 7 | 3 | 7$^8$ | | | | | | | |
| SE | K Kučera | 6$^6$ | 1 | | | | | | | | X Malisse | 6 | 4 | | | |
| Q | C Vinck | 2 | 3 | | | | | | | | J Björkman | 1 | 1$^r$ | | | |
| | J Björkman | 6 | 6 | | | J Björkman | 7$^7$ | 1 | 6 | | | | | | | |
| | J Boutter | 2 | 4 | | 4 | S Grosjean | 6$^2$ | 6 | 4 | | | | | | | |
| 4 | S Grosjean | 6 | 6 | | | | | | | | | | | X Malisse | 6$^5$ | 2 |
| 8 | N Lapentti | 6 | 6 | | | | | | | | | | | Y El Aynaoui | 7$^7$ | 6 |
| WC | P-H Mathieu | 2 | 2 | | 8 | N Lapentti | 2 | 6$^5$ | | | | | | | | |
| | Y El Aynaoui | 6 | 6 | | | Y El Aynaoui | 6 | 7$^7$ | | | | | | | | |
| | D Sanguinetti | 3 | 2 | | | | | | | | Y El Aynaoui | 6 | 6 | | | |
| | G Blanco | 5 | 3 | | | | | | | 2 | J C Ferrero | 4 | 4 | | | |
| | N Kiefer | 7 | 6 | | | N Kiefer | 2 | 2 | | | | | | | | |
| | A Gaudenzi | 1 | 3 | | 2 | J C Ferrero | 6 | 6 | | | | | | | | |
| 2 | J C Ferrero | 6 | 6 | | | | | | | | | | | | | |