Nadia Lagaev defeated Isabella Marton 5-7 6-4 13-11 in the W25 Fredericton q16 on hard. The upset overturned the form book — Isabella Marton came in ranked #883, leading the head-to-head 1–0. Nadia Lagaev claimed a first win over Isabella Marton in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-07-13 | W75 Granby | Q16 | hard | Isabella Marton | 7-6(1) 6-2 |
Averages over each player's completed matches in the selected window (41 vs 54). 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