Josselin Ouanna defeated Jan Mertl 5-7 6-4 6-4 in the France F19 qualifying round on hard. The upset overturned the form book — Jan Mertl came in leading the head-to-head 1–0. Josselin Ouanna claimed a first win over Jan Mertl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-20 | France F9 | QF | clay | Jan Mertl | 6-1 6-1 |
Averages over each player's completed matches in the selected window (15 vs 128). 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