Albert Portas defeated Mariano Zabaleta 6-3 6-4 in the Bastad round of 16 on clay. The upset overturned the form book — Mariano Zabaleta came in leading the head-to-head 2–0, but Albert Portas had been the form player, winning 3 of their last 6 on clay. Albert Portas claimed a first win over Mariano Zabaleta in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-29 | Mallorca | R32 | grass | Mariano Zabaleta | 6-1 6-4 |
| 1999-04-26 | Munich | R32 | clay | Mariano Zabaleta | 6-3 6-4 |
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 (110 vs 200). ATP, WTA & Challenger.