Oscar Hernandez defeated Andreas Seppi 6-2 6-4 in the Hamburg qualifying round of 16 on clay. The upset overturned the form book — Andreas Seppi came in defending last year's round of 32.
Hernandez O. took it in straight sets.
Oscar Hernandez beat Andreas Seppi 6-2 6-4. Umpiry, "Oscar Hernandez vs Andreas Seppi — Hamburg Qualifying Round of 16", https://umpiry.com/match/2007-05-13/hernandez-vs-seppi-hamburg-q16?utm_source=cite (as of 13 May 2007).