David Sanchez defeated Mariano Zabaleta 6-4 6-7 7-5 in the Sopot round of 16 on clay. The upset overturned the form book — Mariano Zabaleta came in leading the head-to-head 2–1. David Sanchez narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-05-05 | Rome Masters | R64 | clay | Mariano Zabaleta | 6-4 6-2 |
| 2002-04-29 | Mallorca | QF | grass | Mariano Zabaleta | 7-5 6-3 |
| 2002-04-22 | Barcelona | R64 | clay | David Sanchez | 6-4 7-6(10) |
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 (190 vs 200). ATP, WTA & Challenger.