Dejan Petrovic defeated Sergio Gaoni 6-4 6-4 in the Australia F3 round of 16 on grass. The result followed the form book — Dejan Petrovic came in leading the head-to-head 2–1. Dejan Petrovic extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-11-01 | Australia F2 | R16 | clay | Dejan Petrovic | 6-1 7-6 |
| 1999-09-19 | Australia 3 Masters 4 | R16 | hard | Dejan Petrovic | 7-5 7-5 |
| 1999-02-28 | Australia 1 Masters 2 | R32 | clay | Sergio Gaoni | 0-6 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.