Mohamed Mamoun defeated Rabie Chaki 6-2 6-4 in the Morocco F1 round of 32 on clay. The upset overturned the form book — Rabie Chaki came in leading the head-to-head 3–0. Mohamed Mamoun claimed a first win over Rabie Chaki in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-09 | Egypt F3 | R32 | clay | Rabie Chaki | 7-5 6-2 |
| 2007-03-05 | Morocco F1 | R16 | clay | Rabie Chaki | 3-6 6-3 6-2 |
| 2006-06-19 | Tunisia F3A | F | clay | Rabie Chaki | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.