Mary Joe Fernandez defeated Mary Pierce 6-0 6-4 in the US Open round of 16 on hard. The result followed the form book — Mary Joe Fernandez came in leading the head-to-head 3–0, defending last year's round of 32. Mary Joe Fernandez extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-17 | Canadian Open | R64 | hard | Mary Joe Fernandez | 6-1 6-1 |
| 1997-05-12 | Berlin | F | grass | Mary Joe Fernandez | 6-4 6-2 |
| 1990-05-28 | Roland Garros | R64 | clay | Mary Joe Fernandez | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.