Olivier Rochus defeated Mario Ancic 7-5 6-2 7-6 in the US Open round of 128 on hard. The upset overturned the form book — Mario Ancic came in leading the head-to-head 3–1, defending last year's round of 128. Olivier Rochus narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-06 | Stockholm | R32 | hard | Mario Ancic | 7-6(6) 6-2 |
| 2005-10-17 | Madrid Masters | R32 | clay | Olivier Rochus | 1-6 6-4 7-6(5) |
| 2005-02-14 | Rotterdam | R16 | hard | Mario Ancic | 6-4 6-3 |
| 2004-09-24 | Davis Cup WG PO: CRO vs BEL | RR | carpet | Mario Ancic | 6-3 7-6(2) 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 (200 vs 200). ATP, WTA & Challenger.