Dawn Buth defeated Bahia Mouhtassine 2-6 6-4 6-4 in the Mahwah 50K round of 32 on hard. The upset overturned the form book — Bahia Mouhtassine came in leading the head-to-head 1–0. Dawn Buth claimed a first win over Bahia Mouhtassine in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-01-15 | Australian Open | Q128 | hard | Bahia Mouhtassine | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.