Juan Martin del Potro defeated Josselin Ouanna 6-3 6-2 6-3 in the Roland Garros round of 128 on clay. The result followed the form book — Juan Martin del Potro came in leading the head-to-head 1–0, defending last year's round of 128. Juan Martin del Potro extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-07-14 | Kitzbuhel | R32 | clay | Juan Martin del Potro | 6-3 6-3 |
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 (200 vs 39). ATP, WTA & Challenger.