Sargis Sargsian defeated Gaston Gaudio 2-6 7-5 6-2 6-2 in the Australian Open round of 64 on hard. The upset overturned the form book — Gaston Gaudio came in leading the head-to-head 2–1, defending last year's round of 32. Sargis Sargsian narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-01-10 | Auckland | R32 | hard | Gaston Gaudio | 7-5 4-6 7-5 |
| 1999-08-02 | Amsterdam | R32 | clay | Gaston Gaudio | 4-6 6-2 6-2 |
| 1999-07-26 | Kitzbuhel | R64 | clay | Sargis Sargsian | 7-5 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (107 vs 200). ATP, WTA & Challenger.