Greg Rusedski defeated Stefan Koubek 6-3 6-3 in the Cincinnati Masters round of 16 on hard. The upset overturned the form book — Stefan Koubek came in defending last year's round of 16. Greg Rusedski extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-24 | Davis Cup WG PO: AUT vs GBR | RR | clay | Stefan Koubek | 7-6(2) 6-4 7-5 |
| 2001-01-08 | Auckland | QF | hard | Greg Rusedski | 6-2 5-7 7-5 |
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.