| Details | |
|---|---|
| Duration | March 20 – May 15 |
| Tournaments | 2 |
| Achievements (singles) | |
| Most tournament titles |  Gabriela Sabatini  Steffi Graf (1) |
| Most tournament finals | Gabriela Sabatini (2) |
← 1988 1990 → | |
The table below shows the 1989 WTA Tier I Series schedule.