Christopher Diaz Figueroa defeated Piero Luisi 6-3 7-6 in the VEN vs GUA round robin on hard. The upset overturned the form book — Piero Luisi came in leading the head-to-head 1–0, but Christopher Diaz Figueroa had been the form player, winning 4 of their last 6 on hard. Christopher Diaz Figueroa claimed a first win over Piero Luisi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | Venezuela F6 | R16 | hard | Piero Luisi | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.