Julie Halard Decugis defeated Amanda Coetzer 7-5 6-1 in the US Open round of 128 on hard. The upset overturned the form book — Amanda Coetzer came in leading the head-to-head 3–1, defending last year's round of 128, but Julie Halard Decugis had been the form player, winning 4 of their last 6 on hard. Julie Halard Decugis narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-05-06 | Berlin | R16 | grass | Amanda Coetzer | 6-2 6-2 |
| 1999-03-05 | Indian Wells | R32 | hard | Amanda Coetzer | 6-4 6-7 7-6 |
| 1999-01-18 | Australian Open | R64 | hard | Amanda Coetzer | 4-6 7-5 6-4 |
| 1998-05-18 | Strasbourg | QF | clay | Julie Halard Decugis | 7-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.