1998 Lipton Championships – Men's singles
| Men's singles | |
|---|---|
| 1998 Lipton Championships | |
| Champion | Marcelo Ríos |
| Runner-up | Andre Agassi |
| Score | 7–5, 6–3, 6–4 |
| Draw | 96 (12Q / 6WC) |
| Seeds | 32 |
Marcelo Ríos defeated Andre Agassi in the final, 7–5, 6–3, 6–4 to win the men's singles tennis title at the 1998 Miami Open. With the win, he completed the Sunshine Double.
Thomas Muster was the reigning champion, but did not participate this year.