Danai Udomchoke defeated Geoff Grant 6-3 6-1 in the Australian Open qualifying round of 128 on hard. The upset overturned the form book — Geoff Grant came in defending last year's round of 128, but Danai Udomchoke had been the form player, winning 3 of their last 8 on hard.
Udomchoke D. took it in straight sets.
Danai Udomchoke beat Geoff Grant 6-3 6-1. Umpiry, "Danai Udomchoke vs Geoff Grant — Australian Open Qualifying Round of 128", https://umpiry.com/match/2000-01-17/grant-vs-udomchoke-australian-open-q128?utm_source=cite (as of 17 January 2000).