Alex Calatrava defeated Stefan Koubek 7-5 4-6 6-4 in the Doha round of 32 on hard. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 2–1. Alex Calatrava narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-01-08 | Auckland | R16 | hard | Stefan Koubek | 6-3 7-6(5) |
| 2000-11-06 | St. Petersburg | R32 | carpet | Alex Calatrava | 6-2 6-2 |
| 2000-02-28 | Delray Beach | F | hard | Stefan Koubek | 6-1 4-6 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 (101 vs 200). ATP, WTA & Challenger.