Conchita Martinez defeated Helena Sukova 6-1 6-0 in the San Diego round of 16 on hard. The upset overturned the form book — Helena Sukova came in leading the head-to-head 1–0, but Conchita Martinez had been the form player, winning 2 of their last 5 on hard. Conchita Martinez claimed a first win over Helena Sukova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-23 | Wimbledon | R32 | grass | Helena Sukova | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.