Stefan Koubek defeated Feliciano Lopez 6-3 6-4 in the Stuttgart round of 32 on grass. The upset overturned the form book — Feliciano Lopez came in leading the head-to-head 5–2, defending last year's semi-final. Stefan Koubek narrowed the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-22 | Dubai | R32 | hard | Stefan Koubek | 7-6(4) 6-4 |
| 2007-10-15 | Madrid Masters | R16 | clay | Feliciano Lopez | 7-6(9) 6-1 |
| 2007-10-07 | Vienna | R16 | hard | Feliciano Lopez | 6-4 3-6 6-4 |
| 2007-01-29 | Zagreb | R32 | hard | Stefan Koubek | 2-6 7-6(2) 6-4 |
| 2004-07-19 | Kitzbuhel | R32 | clay | Feliciano Lopez | 3-6 6-3 6-4 |
| 2003-10-06 | Vienna | R16 | hard | Feliciano Lopez | 6-2 6-2 |
| 2002-09-30 | Tokyo | R64 | hard | Feliciano Lopez | 6-4 6-4 |
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 (170 vs 200). ATP, WTA & Challenger.