David Perez Sanz defeated David Guez 6-4 6-1 in the Kazan CH round of 32 on hard. The upset overturned the form book — David Guez came in leading the head-to-head 3–0. David Perez Sanz claimed a first win over David Guez in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-02 | Tunisia F13 | F | hard | David Guez | 6-4 6-0 |
| 2017-08-21 | Portugal F17 | R16 | hard | David Guez | 7-5 6-3 |
| 2013-01-28 | France F3 | R16 | hard | David Guez | 4-6 6-3 6-2 |
Averages over each player's completed matches in the selected window (200 vs 79). 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