Su Wei Hsieh defeated Natalie Grandin 6-2 6-2 in the US Open qualifying round of 64 on hard. The upset overturned the form book — Natalie Grandin came in leading the head-to-head 1–0. Su Wei Hsieh claimed a first win over Natalie Grandin in two meetings, levelling the head-to-head at 1–1.
Hsieh S. took it in straight sets.
Su Wei Hsieh beat Natalie Grandin 6-2 6-2. Umpiry, "Su Wei Hsieh vs Natalie Grandin — US Open Qualifying Round of 64", https://umpiry.com/match/2006-08-24/grandin-vs-hsieh-us-open-q64?utm_source=cite (as of 24 August 2006).