Dimitri Lorin defeated Karim Maamoun 6-4 3-6 6-1 in the Tunisia F1 round of 16 on clay. The upset overturned the form book — Karim Maamoun came in leading the head-to-head 2–0. Dimitri Lorin claimed a first win over Karim Maamoun in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-03-18 | Egypt 1 3 | R32 | clay | Karim Maamoun | 2-6 6-4 6-3 |
| 1999-10-25 | Tunisia F1 | QF | clay | Karim Maamoun | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.