Nadia Petrova defeated Gisela Dulko 6-1 6-2 in the Australian Open round of 64 on hard. The upset overturned the form book — Gisela Dulko came in leading the head-to-head 2–0, defending last year's round of 64, but Nadia Petrova had been the form player, winning 2 of their last 5 on hard. Nadia Petrova claimed a first win over Gisela Dulko in three meetings, narrowing the head-to-head to 2–1.
Petrova N. took it in straight sets.
Petrova N. and Dulko G. faced 13 of the same opponents in the last 12 months. Petrova N. went 12–7 (63%) against them, Dulko G. 3–10 (23%). Petrova N. came out better against 6 of 13 comparable opponents, Dulko G. against 1.
Hard: level 1–1 · Grass: Dulko G. leads 1–0
Nadia Petrova beat Gisela Dulko 6-1 6-2. Umpiry, "Nadia Petrova vs Gisela Dulko — Australian Open Round of 64", https://umpiry.com/match/2007-01-15/dulko-vs-petrova-australian-open-r64?utm_source=cite (as of 15 January 2007).