Melanie Marois defeated Debbie Larocque 6-2 6-4 in the Lachine 10K round of 32 on clay. The upset overturned the form book — Debbie Larocque came in leading the head-to-head 1–0. Melanie Marois claimed a first win over Debbie Larocque in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-21 | Montreal 10K | R16 | hard | Debbie Larocque | 6-4 5-7 6-2 |