# 1998 Grand Prix de Tennis de Lyon – Singles

Fabrice Santoro was the defending champion, but lost in the second round this year.
Àlex Corretja won the tournament, beating Tommy Haas 2–6, 7–6$^{(8–6)}$, 6–1 in the final.

## Seeds

* Pete Sampras (quarterfinals, withdrew)
* Patrick Rafter (quarterfinals)
* Marcelo Ríos (semifinals, retired)
* Àlex Corretja (champion)
* Jan Siemerink (first round)
* Albert Costa (first round)
* Cédric Pioline (second round)
* Fabrice Santoro (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 |
| | Tommy Haas | 6 | 1 | | | | | |
| 3 | Marcelo Ríos | 2 | 0$^r$ | | | | | |
| 3 | Marcelo Ríos | 2 | 0$^r$ | | Tommy Haas | 6 | 6$^6$ | 1 |
| | | | | 4 | Àlex Corretja | 2 | 7$^8$ | 6 |
| 4 | Àlex Corretja | 6 | 6 | 4 | Àlex Corretja | 2 | 7$^8$ | 6 |
| | Wayne Ferreira | 3 | 2 | | | | | |

### 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 | P Sampras | 6 | 1 | 6 | | | | | | | | | | | | | |
| | T Martin | 4 | 6 | 4 | 1 | P Sampras | 6 | 6 | | | | | | | | | |
| | T Woodbridge | 6 | 6$^4$ | 7$^7$ | | T Woodbridge | 2 | 4 | | | | | | | | | |
| | J Van Herck | 4 | 7$^7$ | 6$^0$ | | | | | | 1 | P Sampras | | | | | | |
| | A Clément | 2 | 7$^9$ | 4 | | | | | | | T Haas | w/o | | | | | |
| | T Haas | 6 | 6$^7$ | 6 | | T Haas | 2 | 6 | 7 | | | | | | | | |
| Q | S Huet | 3 | 3 | | 8 | F Santoro | 6 | 3 | 5 | | | | | | | | |
| 8 | F Santoro | 6 | 6 | | | | | | | | | | | | T Haas | 6 | 1 |
| 3 | M Ríos | 6 | 6 | | | | | | | | | | | 3 | M Ríos | 2 | 0$^r$ |
| | J Tarango | 3 | 3 | | 3 | M Ríos | 6 | 6 | | | | | | | | | |
| | JA Marín | 0 | 4 | | | N Escudé | 2 | 3 | | | | | | | | | |
| | N Escudé | 6 | 6 | | | | | | | 3 | M Ríos | 6 | 6 | | | | |
| | V Spadea | 6$^5$ | 7$^7$ | 2 | | | | | | WC | A Di Pasquale | 4 | 0 | | | | |
| Q | R Reneberg | 7$^7$ | 6$^4$ | 6 | Q | R Reneberg | 5 | 4 | | | | | | | | | |
| WC | A Di Pasquale | 7 | 6 | | WC | A Di Pasquale | 7 | 6 | | | | | | | | | |
| WC/6 | A Costa | 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 | Semifinals |
| 5 | J Siemerink | 6 | 4 | 4 | | | | | | | | | | | | | |
| | G Pozzi | 2 | 6 | 6 | | G Pozzi | 6 | 0 | 4 | | | | | | | | |
| | J Alonso | 3 | 1 | | Q | O Delaître | 1 | 6 | 6 | | | | | | | | |
| Q | O Delaître | 6 | 6 | | | | | | | Q | O Delaître | 6$^2$ | 5 | | | | |
| | A Pavel | 6 | 6 | | | | | | | 4 | À Corretja | 7$^7$ | 7 | | | | |
| WC | L Roux | 3 | 1 | | | A Pavel | 4 | 6 | 3 | | | | | | | | |
| | J Golmard | 6$^4$ | 2 | | 4 | À Corretja | 6 | 2 | 6 | | | | | | | | |
| 4 | À Corretja | 7$^7$ | 6 | | | | | | | | | | | 4 | À Corretja | 6 | 6 |
| 7 | C Pioline | 6$^4$ | 6 | 6 | | | | | | | | | | | W Ferreira | 3 | 2 |
| | S Grosjean | 7$^7$ | 4 | 1 | 7 | C Pioline | 6$^3$ | 2 | | | | | | | | | |
| Q | D Sapsford | 2 | 6 | 4 | | W Ferreira | 7$^7$ | 6 | | | | | | | | | |
| | W Ferreira | 6 | 3 | 6 | | | | | | | W Ferreira | 6 | 6 | | | | |
| | M Rosset | 6$^5$ | 5 | | | | | | | 2 | P Rafter | 4 | 1 | | | | |
| | H Arazi | 7$^7$ | 7 | | | H Arazi | 3 | 3 | | | | | | | | | |
| | S Campbell | 2 | 2 | | 2 | P Rafter | 6 | 6 | | | | | | | | | |
| 2 | P Rafter | 6 | 6 | | | | | | | | | | | | | | |