Florent Serra defeated Stefan Koubek 6-1 6-4 4-6 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Stefan Koubek came in defending last year's round of 32.
Serra F. came through in four sets.
Florent Serra beat Stefan Koubek 6-1 6-4 4-6 6-4. Umpiry, "Florent Serra vs Stefan Koubek — US Open Round of 128", https://umpiry.com/match/2005-08-29/koubek-vs-serra-us-open-r128?utm_source=cite (as of 29 August 2005).