Mikhail Youzhny defeated Mariano Zabaleta 5-7 7-6 6-2 6-4 in the Australian Open round of 64 on hard. The upset overturned the form book — Mariano Zabaleta came in leading the head-to-head 3–1, defending last year's round of 32. Mikhail Youzhny narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-07 | Bastad | QF | clay | Mariano Zabaleta | 4-6 7-5 6-1 |
| 2003-04-04 | Davis Cup WG QF: ARG vs RUS | RR | clay | Mariano Zabaleta | 6-1 6-4 |
| 2003-03-10 | Indian Wells Masters | R64 | hard | Mariano Zabaleta | 7-6(5) 6-1 |
| 2001-07-16 | Amsterdam | R32 | clay | Mikhail Youzhny | 7-6(6) 4-6 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 (200 vs 200). ATP, WTA & Challenger.