Karol Kucera defeated Mardy Fish 6-4 7-6 6-4 in the US Open round of 64 on hard. The upset overturned the form book — Mardy Fish came in leading the head-to-head 1–0, defending last year's round of 64. Karol Kucera claimed a first win over Mardy Fish in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-19 | Davis Cup WG PO: SVK vs USA | RR | clay | Mardy Fish | 4-6 7-5 7-5 6-1 |
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 (65 vs 200). ATP, WTA & Challenger.