Alexandra Panova defeated Pauline Parmentier 6-3 6-4 in the US Open qualifying round of 64 on hard. The upset overturned the form book — Pauline Parmentier came in leading the head-to-head 2–0, defending last year's round of 32, but Alexandra Panova had been the form player, winning 2 of their last 6 on hard. Alexandra Panova claimed a first win over Pauline Parmentier in three meetings, narrowing the head-to-head to 2–1.
Panova A. took it in straight sets.
Panova A. and Parmentier P. faced 3 of the same opponents in the last 12 months. Panova A. went 0–3 (0%) against them, Parmentier P. 2–2 (50%). Parmentier P. came out better against 2 of 3 comparable opponents, Panova A. against 0 — though 2 of those edges carry caveats (retirement, lower-tier event).
Only 3 common opponents — small sample, treat as indicative.
Hard: Panova A. leads 1–0 · Clay: Parmentier P. leads 2–0
Alexandra Panova beat Pauline Parmentier 6-3 6-4. Umpiry, "Alexandra Panova vs Pauline Parmentier — US Open Qualifying Round of 64", https://umpiry.com/match/2013-08-22/panova-vs-parmentier-us-open-q64?utm_source=cite (as of 22 August 2013).