1998 Chase Championships – Singles
| Singles | |
|---|---|
| 1998 Chase Championships | |
| Champion | Martina Hingis |
| Runner-up | Lindsay Davenport |
| Score | 7–5, 6–4, 4–6, 6–2 |
| Draw | 16 |
| Seeds | 8 |
Martina Hingis defeated Lindsay Davenport in the final, 7–5, 6–4, 4–6, 6–2 to win the singles tennis title at the 1998 Chase Championships.
Jana Novotná was the defending champion, but lost in the first round to Steffi Graf.
This marked the last WTA Championships final to be best-of-five-sets.