Luis Horna defeated Nicolas Lapentti 6-3 6-4 in the Buenos Aires round of 16 on clay. The upset overturned the form book — Nicolas Lapentti came in leading the head-to-head 3–1, defending last year's round of 16, but Luis Horna had been the form player, winning 2 of their last 5 on clay. Luis Horna narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-07-25 | Kitzbuhel | R32 | clay | Nicolas Lapentti | 6-4 6-1 |
| 2003-07-07 | Bastad | R32 | clay | Nicolas Lapentti | 6-4 7-5 |
| 2003-02-24 | Acapulco | R32 | hard | Luis Horna | 6-2 6-1 |
| 2000-04-06 | Davis Cup G1 SF: PER vs ECU | RR | clay | Nicolas Lapentti | 4-6 6-2 7-5 6-7(2) 6-3 |
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 (200 vs 191). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About