Cristina Torrens Valero defeated Henrieta Nagyova 1-6 6-0 6-3 in the Sopot quarter-final on clay. The upset overturned the form book — Henrieta Nagyova came in leading the head-to-head 4–0, defending last year's round of 32. Cristina Torrens Valero claimed a first win over Henrieta Nagyova in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-27 | Sopot | QF | clay | Henrieta Nagyova | 6-4 6-1 |
| 1998-07-13 | Warsaw | R32 | clay | Henrieta Nagyova | 6-3 6-0 |
| 1997-09-22 | Surabaya | R32 | hard | Henrieta Nagyova | 6-2 6-2 |
| 1997-07-21 | Warsaw | QF | clay | Henrieta Nagyova | 6-3 6-1 |
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 9). ATP, WTA & Challenger.