Franco Squillari defeated Mariano Zabaleta 5-7 6-4 6-3 in the Palermo quarter-final on clay. The upset overturned the form book — Mariano Zabaleta came in leading the head-to-head 2–1, but Franco Squillari had been the form player, winning 4 of their last 8 on clay. Franco Squillari narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-02-12 | Vina del Mar | R16 | clay | Mariano Zabaleta | 6-3 6-3 |
| 1999-08-02 | Amsterdam | R16 | clay | Mariano Zabaleta | 7-5 6-4 |
| 1999-04-26 | Munich | SF | clay | Franco Squillari | 4-6 6-1 6-2 |
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.