Guillermo Coria defeated Juan Monaco 7-6 3-6 6-1 in the Buenos Aires quarter-final on clay. The result followed the form book — Guillermo Coria came in leading the head-to-head 1–0, defending last year's final. Guillermo Coria extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-24 | Roland Garros | R64 | clay | Guillermo Coria | 7-5 6-1 6-3 |
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 (160 vs 200). ATP, WTA & Challenger.