Mary Pierce defeated Nathalie Tauziat 6-2 5-7 6-4 in the WTA Tour Championships semi-final on carpet. 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 |
|---|---|---|---|---|---|
| 1997-07-28 | San Diego | R16 | hard | Mary Pierce | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.