Ramon Delgado defeated Sebastien Grosjean 6-4 6-7 4-6 7-6 6-4 in the US Open round of 128 on hard. The upset overturned the form book — Sebastien Grosjean came in leading the head-to-head 1–0, defending last year's round of 64, but Ramon Delgado had been the form player, winning 2 of their last 6 on hard. Ramon Delgado claimed a first win over Sebastien Grosjean in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-04 | Canada Masters | R32 | hard | Sebastien Grosjean | 6-3 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 (35 vs 200). ATP, WTA & Challenger.