Michael Berrer defeated Bohdan Ulihrach 6-4 6-3 in the US Open qualifying round of 128 on hard. The upset overturned the form book — Bohdan Ulihrach came in defending last year's round of 64.
Berrer M. took it in straight sets.
Michael Berrer beat Bohdan Ulihrach 6-4 6-3. Umpiry, "Michael Berrer vs Bohdan Ulihrach — US Open Qualifying Round of 128", https://umpiry.com/match/2004-08-24/berrer-vs-ulihrach-us-open-q128?utm_source=cite (as of 24 August 2004).