Mariano Puerta defeated Lars Burgsmuller 6-2 6-0 in the Buenos Aires round of 16 on clay. The upset overturned the form book — Lars Burgsmuller came in leading the head-to-head 1–0. Mariano Puerta claimed a first win over Lars Burgsmuller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-20 | Wimbledon | R128 | grass | Lars Burgsmuller | 6-1 6-1 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 (60 vs 38). ATP, WTA & Challenger.