Nicolas Devilder defeated Chris Guccione 6-4 6-1 6-4 in the Roland Garros round of 128 on clay. The upset overturned the form book — Chris Guccione came in leading the head-to-head 1–0, defending last year's round of 128. Nicolas Devilder claimed a first win over Chris Guccione in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-01-19 | Australian Open | R128 | hard | Chris Guccione | 6-4 6-2 6-4 |
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 (36 vs 55). ATP, WTA & Challenger.