Thiago Alves defeated Juan Martin del Potro 6-4 6-2 in the Guatemala F1 round of 32 on hard. The result followed the form book — Thiago Alves came in leading the head-to-head 2–1. Thiago Alves extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-11 | Chile F2 | F | clay | Juan Martin del Potro | 6-1 6-1 |
| 2005-01-10 | El Salvador F1 | QF | clay | Thiago Alves | 6-1 6-0 |
| 2004-11-08 | Brazil F13 | R16 | clay | Thiago Alves | 5-7 7-6(5) 6-2 |
Averages over each player's completed matches in the selected window (27 vs 200). 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