Mohamed Mamoun defeated Karim Maamoun 5-7 6-2 6-3 in the Egypt 1 3 semi-final on clay. The upset overturned the form book — Karim Maamoun came in leading the head-to-head 8–6. Mohamed Mamoun narrowed the head-to-head to 8–7.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-25 | Egypt F4 | R32 | clay | Mohamed Mamoun | 7-5 6-2 |
| 2007-10-22 | Tunisia F5 | R32 | hard | Mohamed Mamoun | 6-4 6-3 |
| 2007-09-10 | Egypt F8 | F | clay | Mohamed Mamoun | 6-3 6-2 |
| 2006-09-04 | Egypt 2 4 | F | clay | Mohamed Mamoun | 6-0 6-4 |
| 2006-07-24 | Egypt 1 2 | F | clay | Karim Maamoun | 6-4 2-6 6-3 |
| 2005-09-12 | Egypt 2 1 | QF | clay | Karim Maamoun | 6-3 6-2 |
| 2005-09-12 | Egypt 2 2 | R32 | clay | Mohamed Mamoun | 7-5 7-6(4) |
| 2003-08-18 | Egypt F3 | QF | clay | Karim Maamoun | 6-2 6-4 |
| 2002-08-12 | Egypt 2 2 | SF | clay | Karim Maamoun | 6-4 7-6(1) |
| 2001-08-27 | Egypt 2 4 | R32 | clay | Mohamed Mamoun | 6-3 3-6 6-2 |
| 2000-09-11 | Egypt 3 4 | R16 | clay | Karim Maamoun | 6-2 5-7 6-1 |
| 2000-08-21 | Jordan F2 | R32 | hard | Karim Maamoun | 7-5 6-4 |
| 2000-08-14 | Jordan F1 | R16 | hard | Karim Maamoun | 6-4 6-2 |
| 2000-03-18 | Egypt 2 Masters 3 | R16 | clay | Karim Maamoun | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.