Wynne Prakusya defeated Dawn Buth 6-1 1-6 6-2 in the Salt Lake City 50K semi-final on hard. The upset overturned the form book — Dawn Buth came in leading the head-to-head 1–0, but Wynne Prakusya had been the form player, winning 5 of their last 7 on hard. Wynne Prakusya claimed a first win over Dawn Buth in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-31 | Little Rock 10K | R16 | hard | Dawn Buth | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.