# 1998 Páginas Amarillas Open – Singles

Jana Novotná was the defending champion but did not compete that year.
Patty Schnyder won in the final 3–6, 6–4, 6–0 against Dominique Van Roost.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top two seeds received a bye to the second round.
* Sandrine Testud (semifinals)
* Dominique Van Roost (final)
* Patty Schnyder (champion)
* Barbara Schett (semifinals)
* Virginia Ruano Pascual (first round)
* Florencia Labat (first round)
* Magüi Serna (quarterfinals)
* Kimberly Po (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

### Final

| Final | Final | Final | Final | Final |
| 3 | Patty Schnyder | 3 | 6 | 6 |
| 2 | Dominique Van Roost | 6 | 4 | 0 |

### Section 1

| 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 Testud | 6 | 6 | | | | | | | | | | |
| Q | N Montero | 5 | 1 | | M Sánchez Lorenzo | 4 | 4 | | | | | | | | | | |
| | M Sánchez Lorenzo | 7 | 6 | | | | | | 1 | S Testud | 6 | 6 | | | | | |
| Q | P Stoyanova | 3 | 1 | | | | | | | C Rubin | 4 | 3 | | | | | |
| | C Rubin | 6 | 6 | | C Rubin | 3 | 6 | 6 | | | | | | | | | |
| | A Smashnova | 7 | 7 | | A Smashnova | 6 | 3 | 2 | | | | | | | | | |
| 5 | V Ruano Pascual | 6 | 5 | | | | | | | | | | | 1 | S Testud | 4 | 5 |
| 3 | P Schnyder | 6 | | | | | | | | | | | | 3 | P Schnyder | 6 | 7 |
| | K Brandi | 0 | r | 3 | P Schnyder | 4 | 6 | 6 | | | | | | | | | |
| WC | A Salas Lozano | 5 | 3 | | M Babel | 6 | 0 | 2 | | | | | | | | | |
| | M Babel | 7 | 6 | | | | | | 3 | P Schnyder | 3 | 7 | 6 | | | | |
| | L Golarsa | 6 | 6 | | | | | | 7 | M Serna | 6 | 6 | 4 | | | | |
| | D Chládková | 1 | 1 | | L Golarsa | 3 | 0 | | | | | | | | | | |
| | Y Yoshida | 1 | 4 | 7 | M Serna | 6 | 6 | | | | | | | | | | |
| 7 | M Serna | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | F Labat | 2 | 5 | | | | | | | | | | | | | | |
| | T Snyder | 6 | 7 | | | T Snyder | 7 | 6 | | | | | | | | | |
| Q | T Garbin | 7 | 6 | | Q | T Garbin | 5 | 3 | | | | | | | | | |
| | N Pratt | 5 | 3 | | | | | | | | T Snyder | 2 | 2 | | | | |
| WC | J Kandarr | 2 | 6 | 6 | | | | | | 4 | B Schett | 6 | 6 | | | | |
| | C Torrens Valero | 6 | 4 | 1 | WC | J Kandarr | 2 | 6 | | | | | | | | | |
| | E Makarova | 3 | 1 | | 4 | B Schett | 6 | 7 | | | | | | | | | |
| 4 | B Schett | 6 | 6 | | | | | | | | | | | 4 | B Schett | 2 | 2 |
| 8 | K Po | 2 | 6 | 6 | | | | | | | | | | 2 | D Van Roost | 6 | 6 |
| | P Hy-Boulais | 6 | 4 | 1 | 8 | K Po | 6 | 0 | 2 | | | | | | | | |
| | B Schwartz | 1 | 2 | | Q | K Boogert | 4 | 6 | 6 | | | | | | | | |
| Q | K Boogert | 6 | 6 | | | | | | | Q | K Boogert | 0 | 6 | | | | |
| | R McQuillan | 4 | 4 | | | | | | | 2 | D Van Roost | 6 | 7 | | | | |
| | G León García | 6 | 6 | | | G León García | 5 | 1 | | | | | | | | | |
| | | | | | 2 | D Van Roost | 7 | 6 | | | | | | | | | |