1990 WTA Tier I Series
| Details | |
|---|---|
| Duration | February 12 – August 5 |
| Edition | 1st |
| Tournaments | 6 |
| Achievements (singles) | |
| Most titles | Monica Seles (3) |
| Most finals | Monica Seles (3) |
← 1989 1991 → | |
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.