David Guez defeated Tristan Lamasine 7-6 6-1 in the Quimper CH qualifying final on hard. The upset overturned the form book — Tristan Lamasine came in defending last year's quarter-final. David Guez extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-03-10 | France F6 | R32 | hard | David Guez | 6-1 5-7 6-2 |
| 2013-09-30 | France F18 | SF | hard | Tristan Lamasine | 6-4 3-6 6-2 |
| 2012-07-09 | France F13 | R32 | clay | David Guez | 7-6(4) |
| 2011-10-24 | France F20 | R16 | hard | Tristan Lamasine | 6-3 6-1 |
Averages over each player's completed matches in the selected window (30 vs 200). 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