Gregoire Barrere defeated David Guez 6-3 1-6 6-1 in the Quimper CH semi-final on hard. The upset overturned the form book — David Guez came in leading the head-to-head 2–1. Gregoire Barrere narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-09-11 | France F19 | R16 | hard | David Guez | 7-5 6-0 |
| 2015-09-14 | France F18 | F | hard | Gregoire Barrere | 6-3 6-2 |
| 2012-07-02 | France F12 | R16 | clay | David Guez | 6-1 6-3 |
Averages over each player's completed matches in the selected window (200 vs 115). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About