Sophia Whittle advanced when Chanelle Van Nguyen retired 3-6 4-1 in the W25 Rancho Santa Fe q32. Sophia Whittle claimed a first win over Chanelle Van Nguyen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-16 | W25 Waco | R32 | hard | Chanelle Van Nguyen | 6-2 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.