Gregoire Jacq defeated Constant Lestienne 3-6 7-5 6-3 in the France F2 round of 16 on hard. The upset overturned the form book — Constant Lestienne came in leading the head-to-head 2–1, but Gregoire Jacq had been the form player, winning 2 of their last 4 on hard. Gregoire Jacq narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-11 | France F1 | QF | clay | Constant Lestienne | 6-2 6-0 |
| 2015-09-21 | Metz | Q2 | hard | Constant Lestienne | 6-3 6-4 |
| 2014-04-21 | France F8 | R32 | clay | Gregoire Jacq | 6-3 7-5 |
Averages over each player's completed matches in the selected window (150 vs 200). 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