Cristina Torrens Valero defeated Sandra Kleinova 6-3 6-3 in the Estoril round of 16 on clay. The result followed the form book — Cristina Torrens Valero came in defending last year's quarter-final. Cristina Torrens Valero extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-08 | Birmingham | R64 | grass | Sandra Kleinova | 6-3 6-0 |
| 1998-01-05 | Auckland | R32 | hard | Cristina Torrens Valero | 6-4 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (4 vs 7). ATP, WTA & Challenger.