Mariano Puerta defeated Alex Calatrava 7-5 6-2 in the St. Poelten round of 32 on clay. The upset overturned the form book — Alex Calatrava came in leading the head-to-head 1–0. Mariano Puerta claimed a first win over Alex Calatrava in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-07-24 | San Marino | R32 | clay | Alex Calatrava | 6-7(4) 7-6(4) 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 (60 vs 25). ATP, WTA & Challenger.