Mary Pierce defeated Sandra Nacuk 6-0 6-1 in the Scottsdale round of 16 on hard. The result followed the form book — Mary Pierce came in leading the head-to-head 1–0. Mary Pierce extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-30 | US Open | R128 | hard | Mary Pierce | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.