Thomas Oger defeated David Guez 6-4 6-2 in the Italy F10 round of 16 on hard. The upset overturned the form book — David Guez came in leading the head-to-head 1–0, but Thomas Oger had been the form player, winning 3 of their last 5 on hard. Thomas Oger claimed a first win over David Guez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-09 | France F4 | F | hard | David Guez | 6-4 7-5 |
Averages over each player's completed matches in the selected window (1 vs 161). 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. Small sample — read as indicative. About