Alexandra Fusai defeated Ai Sugiyama 2-6 7-5 6-4 in the Hilton Head round of 64 on clay. The result followed the form book — Alexandra Fusai came in leading the head-to-head 2–1, defending last year's round of 32. Alexandra Fusai extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-18 | Strasbourg | QF | clay | Alexandra Fusai | 6-2 6-2 |
| 1998-05-11 | Berlin | R32 | grass | Ai Sugiyama | 6-4 6-3 |
| 1998-05-04 | Rome | R64 | clay | Alexandra Fusai | 7-6 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.