Ronan Joncour defeated David Perez Sanz 2-6 7-6 6-3 in the M15 Monastir 1 round of 32 on hard. The upset overturned the form book — David Perez Sanz came in leading the head-to-head 2–0. Ronan Joncour claimed a first win over David Perez Sanz in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-11-14 | Kuwait F3 | QF | hard | David Perez Sanz | 6-4 6-3 |
| 2015-08-10 | Tunisia F18 | QF | clay | David Perez Sanz | 6-4 6-4 |
Averages over each player's completed matches in the selected window (44 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