Monica Seles defeated Julie Halard Decugis 6-2 6-1 in the Tokyo quarter-final on hard. Monica Seles extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-09-30 | Tokyo | SF | hard | Julie Halard Decugis | 6-4 4-3 RET |
| 1999-05-24 | Roland Garros | R16 | clay | Monica Seles | 6-1 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.