Daniel Koellerer defeated Lars Burgsmuller 6-3 6-0 in the US Open qualifying round of 128 on hard. The upset overturned the form book — Lars Burgsmuller came in defending last year's round of 64.
Koellerer D. took it in straight sets.
Daniel Koellerer beat Lars Burgsmuller 6-3 6-0. Umpiry, "Daniel Koellerer vs Lars Burgsmuller — US Open Qualifying Round of 128", https://umpiry.com/match/2004-08-25/burgsmuller-vs-koellerer-us-open-q128?utm_source=cite (as of 25 August 2004).