Jiri Vanek defeated Martin Vassallo Arguello 2-6 6-1 6-3 in the Acapulco round of 32 on hard. The upset overturned the form book — Martin Vassallo Arguello came in leading the head-to-head 1–0. Jiri Vanek claimed a first win over Martin Vassallo Arguello in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-02-14 | Costa Do Sauipe | Q16 | hard | Martin Vassallo Arguello | 6-7(3) 7-5 6-2 |
Averages over each player's completed matches in the selected window (42 vs 91). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About