Ivo Karlovic defeated Florent Serra 7-6 6-4 6-2 in the US Open round of 64 on hard. The upset overturned the form book — Florent Serra came in leading the head-to-head 2–1, defending last year's round of 64, but Ivo Karlovic had been the form player, winning 4 of their last 6 on hard. Ivo Karlovic narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-02 | Basel | R32 | hard | Florent Serra | 7-6 6-4 |
| 2009-04-12 | Monte Carlo Masters | R64 | clay | Ivo Karlovic | 6-4 6-4 |
| 2001-09-24 | France F17 | QF | hard | Florent Serra | 6-4 6-2 |
Averages over each player's completed matches in the selected window (200 vs 192). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About