Cara Black defeated Lenka Nemeckova 6-4 7-6 in the Australian Open round of 128 on hard. The upset overturned the form book — Lenka Nemeckova came in leading the head-to-head 2–0, defending last year's round of 128. Cara Black claimed a first win over Lenka Nemeckova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-13 | Makarska | R16 | clay | Lenka Nemeckova | 6-2 7-5 |
| 1997-10-21 | Houston 50K | QF | hard | Lenka Nemeckova | 5-7 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.