Dejan Petrovic defeated Sergio Gaoni 7-5 7-5 in the Australia 3 Masters 4 round of 16 on hard. The upset overturned the form book — Sergio Gaoni came in leading the head-to-head 1–0. Dejan Petrovic claimed a first win over Sergio Gaoni in two meetings, levelling the head-to-head at 1–1.
Petrovic D. took it in straight sets.
Hard: Petrovic D. leads 1–0 · Clay: Gaoni S. leads 1–0
Dejan Petrovic beat Sergio Gaoni 7-5 7-5. Umpiry, "Dejan Petrovic vs Sergio Gaoni — Australia 3 Masters 4 Round of 16", https://umpiry.com/match/1999-09-19/gaoni-vs-petrovic-australia-3-masters-4-r16?utm_source=cite (as of 19 September 1999).