Yannick Mertens defeated Skander Mansouri 3-6 6-1 6-4 in the M15 Monastir 3 quarter-final on hard. The upset overturned the form book — Skander Mansouri came in leading the head-to-head 1–0. Yannick Mertens claimed a first win over Skander Mansouri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-27 | M25+H Oliveira De Azemeis 1 | QF | hard | Skander Mansouri | 6-3 7-5 |
Averages over each player's completed matches in the selected window (10 vs 80). 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