# 1998 Acura Classic – Singles

Monica Seles was the defending champion but lost in the semifinals to Lindsay Davenport.
Davenport won in the final 4–6, 6–4, 6–3 against Martina Hingis.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.
* Martina Hingis (final)
* Lindsay Davenport (champion)
* Arantxa Sánchez Vicario (semifinals)
* Monica Seles (semifinals)
* Nathalie Tauziat (quarterfinals)
* Irina Spîrlea (second round)
* Sandrine Testud (second round)
* Natasha Zvereva (quarterfinals)

## 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 |
| 1 | Martina Hingis | 6 | 4 | 3 |
| 2 | Lindsay Davenport | 4 | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | M Hingis | 6 | 6 | | | | | | | | | |
| | I Majoli | 1 | 6 | 6 | | I Majoli | 3 | 3 | | | | | | | | | |
| | R Grande | 6 | 2 | 4 | | | | | | 1 | M Hingis | 6 | 6 | | | | |
| | S Williams | 6 | 6 | | | | | | | | S Williams | 4 | 1 | | | | |
| Q | L Neiland | 0 | 0 | | | S Williams | 6 | 3 | 6 | | | | | | | | |
| Q | A Serra Zanetti | 3 | 5 | | 7 | S Testud | 4 | 6 | 1 | | | | | | | | |
| 7 | S Testud | 6 | 7 | | | | | | | | | | | 1 | M Hingis | 6 | 6 |
| | | | | | | | | | | | | | | 3 | A Sánchez Vicario | 4 | 4 |
| | | | | | 3 | A Sánchez Vicario | 4 | 6 | 6 | | | | | | | | |
| WC | A-G Sidot | 4 | 3 | | | A Sugiyama | 6 | 4 | 4 | | | | | | | | |
| | A Sugiyama | 6 | 6 | | | | | | | 3 | A Sánchez Vicario | 6 | 6 | | | | |
| LL | E Tatarkova | 4 | 6 | 6 | | | | | | LL | E Tatarkova | 3 | 3 | | | | |
| | Y Basuki | 6 | 3 | 3 | LL | E Tatarkova | 6 | 6 | | | | | | | | | |
| | F Li | 0 | 2 | | 6 | I Spîrlea | 2 | 2 | | | | | | | | | |
| 6 | I Spîrlea | 6 | 6 | | | | | | | | | | | | | | |

### Section 2

| First round | 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 | N Tauziat | 6 | 7 | | | | | | | | | | | | | |
| WC | C Rubin | 4 | 5 | | 5 | N Tauziat | 6 | 6 | | | | | | | | |
| | A Fusai | 6 | 6 | | | A Fusai | 3 | 3 | | | | | | | | |
| Q | A Stevenson | 3 | 3 | | | | | | 5 | N Tauziat | 4 | 4 | | | | |
| | N Sawamatsu | 6 | 3 | 2 | | | | | 4 | M Seles | 6 | 6 | | | | |
| | B Paulus | 3 | 6 | 6 | | B Paulus | 1 | 2 | | | | | | | | |
| | | | | | 4 | M Seles | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 4 | M Seles | 4 | 2 |
| 8 | N Zvereva | 7 | 6 | | | | | | | | | | 2 | L Davenport | 6 | 6 |
| Q | A Kremer | 5 | 2 | | 8 | N Zvereva | 6 | 6 | | | | | | | | |
| | M Serna | 6 | 7 | 6 | | M Serna | 2 | 1 | | | | | | | | |
| WC | T Tanasugarn | 7 | 5 | 2 | | | | | 8 | N Zvereva | 2 | 3 | | | | |
| | J Halard-Decugis | 6 | 6 | | | | | | 2 | L Davenport | 6 | 6 | | | | |
| | K Po | 2 | 4 | | | J Halard-Decugis | 0 | 4 | | | | | | | | |
| | | | | | 2 | L Davenport | 6 | 6 | | | | | | | | |