Pierrick Ysern defeated Jerzy Janowicz 7-6 6-2 in the France F17 round of 16 on hard. The upset overturned the form book — Jerzy Janowicz came in leading the head-to-head 1–0. Pierrick Ysern claimed a first win over Jerzy Janowicz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-14 | Marseille | Q32 | hard | Jerzy Janowicz | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.