1998 WTA Tier I Series
| Details | |
|---|---|
| Duration | February 2 – October 25 |
| Edition | 9th |
| Tournaments | 8 |
| Achievements (singles) | |
| Most titles | Lindsay Davenport Martina Hingis (2) |
| Most finals | Lindsay Davenport Martina Hingis Venus Williams (3) |
← 1997 1999 → | |
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.