Isabelle Boulais defeated Sarah Beth Grey 4-6 6-4 7-6 in the W60 Saguenay round of 16 on hard. The upset overturned the form book — Sarah Beth Grey came in leading the head-to-head 1–0. Isabelle Boulais claimed a first win over Sarah Beth Grey in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-11-07 | W60+H Calgary | R32 | hard | Sarah Beth Grey | 7-6(1) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.