Anna Ulyashchenko defeated Maribella Zamarripa 6-1 6-4 in the W60+H Calgary q16 on hard. The upset overturned the form book — Maribella Zamarripa came in leading the head-to-head 1–0. Anna Ulyashchenko claimed a first win over Maribella Zamarripa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-16 | W25 Zephyrhills | Q32 | clay | Maribella Zamarripa | 6-3 6-2 |
Averages over each player's completed matches in the selected window (44 vs 66). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About