Jan Mertl defeated Moez Chargui 6-2 6-0 in the Egypt F28 qualifying round on hard. The upset overturned the form book — Moez Chargui came in leading the head-to-head 1–0. Jan Mertl claimed a first win over Moez Chargui in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-26 | Tunisia F8 | SF | hard | Moez Chargui | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.