Maria Kirilenko defeated Adriana Serra Zanetti 7-5 6-1 in the US Open qualifying round of 32 on hard. The upset overturned the form book — Adriana Serra Zanetti came in defending last year's round of 128, but Maria Kirilenko had been the form player, winning 3 of their last 5 on hard.
Kirilenko M. took it in straight sets.
Maria Kirilenko beat Adriana Serra Zanetti 7-5 6-1. Umpiry, "Maria Kirilenko vs Adriana Serra Zanetti — US Open Qualifying Round of 32", https://umpiry.com/match/2003-08-25/kirilenko-vs-zanetti-us-open-q32?utm_source=cite (as of 25 August 2003).