Juan Ignacio Chela defeated Olivier Patience 6-3 6-2 in the Estoril quarter-final on clay. The upset overturned the form book — Olivier Patience came in leading the head-to-head 1–0. Juan Ignacio Chela claimed a first win over Olivier Patience in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-26 | Barcelona | R32 | clay | Olivier Patience | 1-6 6-4 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 (200 vs 73). ATP, WTA & Challenger.