| ITF - Cairo M15 | 01/15 08:00 | 25 | Karim-Mohamed Maamoun v Javier Marti | 0-6,0-6 | |
| ITF - Sharm El Sheikh M15 | 11/17 08:00 | 29 | Karim-Mohamed Maamoun v Alexey Zakharov | 6-7,6-3,6-4 | |
| ITF - Sharm El Sheikh M15 | 11/16 08:00 | 28 | Karim-Mohamed Maamoun v Vladyslav Manafov | 3-6,6-4,7-5 | |
| ITF - Sharm El Sheikh M15 | 11/15 08:00 | 27 | [399] Karim-Mohamed Maamoun v Ryan Nijboer [352] | 6-3,6-3 | |
| ITF - Sharm El Sheikh M15 | 11/14 08:00 | 26 | Karim-Mohamed Maamoun v Maciej Smola | 6-2,6-2 | |
| ITF - Sharm El Sheikh M15 | 11/13 08:00 | 25 | Karim-Mohamed Maamoun v Seong-Gook Oh | 6-2,6-2 | |
| ITF - Sharm El Sheikh M15 | 11/10 08:00 | 29 | [384] Karim-Mohamed Maamoun v Pablo Vivero Gonzalez [434] | 6-3,7-5 | |
| ITF - Sharm El Sheikh M15 | 11/09 08:00 | 28 | [384] Karim-Mohamed Maamoun v Laurynas Grigelis [418] | 3-6,6-3,6-4 | |
| ITF - Sharm El Sheikh M15 | 11/08 08:00 | 27 | Karim-Mohamed Maamoun v Clement Geens | 6-1,6-2 | |
| ITF - Sharm El Sheikh M15 | 11/07 08:00 | 26 | Karim-Mohamed Maamoun v Giovanni Fonio | 6-4,6-2 | |
| ITF - Sharm El Sheikh M15 | 11/06 08:00 | 25 | Karim-Mohamed Maamoun v Tom Pisane | 6-0,6-0 | |
| ITF - Sharm El Sheikh M15 | 10/26 08:00 | 28 | Karim-Mohamed Maamoun v Kyrian Jacquet | 2-6,6-1,3-6 | |
| ITF - Sharm El Sheikh M15 | 10/25 08:00 | 27 | Karim-Mohamed Maamoun v Marco Mosciatti | 6-2,6-2 | |
| ITF - Sharm El Sheikh M15 | 10/24 09:35 | 26 | Karim-Mohamed Maamoun v Wojciech Marek | 3-6,6-1,7-5 | |
| ITF - Sharm El Sheikh M15 | 10/23 08:00 | 25 | [371] Karim-Mohamed Maamoun v Jan Zielinski [471] | 7-5,6-2 | |
| ITF - Sharm El Sheikh M15 | 10/20 08:00 | 29 | [369] Karim-Mohamed Maamoun v Marek Gengel [263] | 6-4,4-6,6-4 | |
| ITF - Sharm El Sheikh M15 | 10/19 09:35 | 28 | Karim-Mohamed Maamoun v Francesco Vilardo | 6-2,6-3 | |
| ITF - Sharm El Sheikh M15 | 10/18 08:00 | 27 | Karim-Mohamed Maamoun v Illya Beloborodko | 6-4,6-3 | |
| ITF - Sharm El Sheikh M15 | 10/17 08:00 | 26 | Karim-Mohamed Maamoun v Dominik Palan | Retired | |
| ITF - Sharm El Sheikh M15 | 10/16 08:00 | 25 | Karim-Mohamed Maamoun v Jordi Munoz-Abreu | 6-4,6-4 | |
| ITF M25 Jounieh | 10/02 14:40 | 25 | Matija Pecotic v Karim-Mohamed Maamoun | 6-4,6-3 | |
| ITF M25 Jounieh | 09/28 13:00 | 28 | [316] Corentin Denolly v Karim-Mohamed Maamoun [372] | 6-3,6-2 | |
| ITF M25 Jounieh | 09/27 14:45 | 27 | [372] Karim-Mohamed Maamoun v Alexandar Lazarov [498] | Retired | |
| ITF M25 Jounieh | 09/26 15:00 | 26 | Karim-Mohamed Maamoun v Juan Pablo Paz | 6-3,6-0 | |
| ITF M25 Jounieh | 09/24 13:00 | 25 | Karim-Mohamed Maamoun v Najib Fakih | 6-0,6-2 | |
| Puchar Davisa | 09/14 11:45 | - | Karim-Mohamed Maamoun v Blaz Rola | Cancelled | |
| Puchar Davisa | 09/13 09:30 | - | [361] Karim-Mohamed Maamoun v Aljaz Bedene [75] | Retired | |
| Challenger Meerbusch | 08/14 16:00 | 25 | [148] Pedro Sousa v Karim-Mohamed Maamoun [328] | 6-3,7-5 | |
| Challenger Meerbusch | 08/13 11:50 | 24 | [327] Johan Tatlot v Karim-Mohamed Maamoun [328] | 4-6,3-6 | |
| Challenger Liberec | 07/31 15:10 | 25 | Tobias Kamke v Karim-Mohamed Maamoun | 6-2,6-2 |
Karim-Mohamed Maamoun (born 9 April 1991 in Cairo) is an Egyptian tennis player. Maamoun has a career high ATP singles ranking of 225 achieved on 2 October 2017. Maamoun has represented Egypt at the Davis Cup where he has a W/L record of 17–9.