| 1998 Sybase Open | |
|---|---|
| Date | February 9–15 |
| Edition | 110th |
| Category | ATP World Series |
| Draw | 32S / 16D |
| Prize money | $315,000 |
| Surface | Hard / Indoor |
| Location | San Jose, U.S. |
| Venue | San Jose Arena |
| Champions | |
| Singles | |
 Andre Agassi[1] | |
| Doubles | |
 Mark Woodforde /Todd Woodbridge[2] | |
The1998 Sybase Open was a men'stennis tournament played onindoor hard courts at theSan Jose Arena inSan Jose, California in theUnited States and was part of theATP World Series of the1998 ATP Tour. It was the 110th edition of the tournament ran from February 9 through February 15, 1998. Unseeded wildcard-entryAndre Agassi won the singles title.[3]
Andre Agassi defeatedPete Sampras 6–2, 6–4
Mark Woodforde /Todd Woodbridge defeated
Nelson Aerts /André Sá 6–1, 7–5