Francesco Aldi defeated Jan Vacek 6-2 6-2 in the Australian Open qualifying round of 128 on hard. The upset overturned the form book — Jan Vacek came in defending last year's round of 64.
Aldi F. took it in straight sets.
Francesco Aldi beat Jan Vacek 6-2 6-2. Umpiry, "Francesco Aldi vs Jan Vacek — Australian Open Qualifying Round of 128", https://umpiry.com/match/2005-01-13/aldi-vs-vacek-australian-open-q128?utm_source=cite (as of 13 January 2005).