Bahia Mouhtassine defeated Rewa Harriman 6-0 7-6 in the Koksijde 10K round of 16 on clay. The upset overturned the form book — Rewa Harriman came in leading the head-to-head 1–0. Bahia Mouhtassine claimed a first win over Rewa Harriman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-04 | Rebecq 10K | QF | clay | Rewa Harriman | 7-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.