Christian Vinck defeated Scott Humphries 5-7 6-4 6-4 in the Adelaide qualifying round of 16 on hard. The upset overturned the form book — Scott Humphries came in leading the head-to-head 1–0, but Christian Vinck had been the form player, winning 2 of their last 4 on hard. Christian Vinck claimed a first win over Scott Humphries in two meetings, levelling the head-to-head at 1–1.
Vinck C. came through in three sets.
Hard: Vinck C. leads 1–0 · Clay: Humphries S. leads 1–0
Christian Vinck beat Scott Humphries 5-7 6-4 6-4. Umpiry, "Christian Vinck vs Scott Humphries — Adelaide Qualifying Round of 16", https://umpiry.com/match/2000-01-03/humphries-vs-vinck-adelaide-q16?utm_source=cite (as of 3 January 2000).