Marcos Daniel defeated Luis Horna 6-3 6-4 in the Houston round of 32 on clay. The upset overturned the form book — Luis Horna came in leading the head-to-head 2–1, defending last year's quarter-final. Marcos Daniel narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-29 | Munich | Q32 | clay | Marcos Daniel | 6-4 3-6 6-4 |
| 1998-09-07 | Peru F2 | R32 | clay | Luis Horna | 3-6 6-1 6-2 |
| 1998-08-31 | Peru F1 | F | clay | Luis Horna | 7-6 6-4 |
Averages over each player's completed matches in the selected window (73 vs 88). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About