| ITF Egypt F33 | 10/07 14:00 | 25 | Karim-Mohamed Maamoun v Maciej Smola | 6-4,6-4 | |
| ITF Egypt F33 | 10/01 16:40 | 26 | Luca Pancaldi v Karim-Mohamed Maamoun | 7-6,6-3 | |
| ITF Egypt F33 | 09/30 14:30 | 25 | Kris Krawcewicz v Karim-Mohamed Maamoun | 2-6,2-6 | |
| ITF Egypt F30 | 09/24 09:00 | 26 | Karim-Mohamed Maamoun v Youssef Hossam | 3-6,6-2,3-6 | |
| ITF Egypt F31 | 09/19 08:00 | 28 | Mohamed Safwat v Karim-Mohamed Maamoun | 3-6,6-2,6-4 | |
| ITF Egypt F31 | 09/18 08:00 | 27 | Karim-Mohamed Maamoun v Samuel Ribeiro Navarrete | 7-5,6-4 | |
| ITF Egypt F31 | 09/15 08:00 | 25 | Karim-Mohamed Maamoun v Maxime Mora | 6-1,6-1 | |
| ITF Egypt F30 | 09/12 08:00 | 28 | Mohamed Safwat v Karim-Mohamed Maamoun | 6-3,6-2 | |
| ITF Egypt F30 | 09/11 08:00 | 27 | Karim-Mohamed Maamoun v Bartosz Wojnar | 7-5,6-1 | |
| ITF Egypt F30 | 09/09 08:00 | 25 | Karim-Mohamed Maamoun v Mateusz Terczyński | 7-6,6-0 | |
| ITF Germany F12 | 08/21 11:00 | 27 | Karim-Mohamed Maamoun v Hannes Wagner | 0-6,1-6 | |
| ITF Germany F7 | 07/15 09:00 | - | Karim-Mohamed Maamoun v N. Vijay Sundar Prashanth | 6-2,1-6,3-6 | |
| ITF Egypt F33 | 06/20 17:30 | - | Karim-Mohamed Maamoun v David Perez Sanz | 6-4,3-6,2-6 | |
| ITF Egypt F33 | 06/19 17:30 | - | Andre Gaspar Murta v Karim-Mohamed Maamoun | 4-6,2-6 | |
| ITF Uzbekistan F4 | 06/09 07:45 | - | Karim-Mohamed Maamoun v Marko Tepavac | 6-7,4-6 | |
| ITF Egypt F19 | 05/24 08:00 | - | Karim-Mohamed Maamoun v Pablo Vivero Gonzalez | 6-3,6-7,1-6 | |
| ITF Egypt F19 | 05/23 08:00 | - | Petros Chrysochos v Karim-Mohamed Maamoun | 5-7,4-6 | |
| ITF Egypt F19 | 05/22 08:00 | - | Javier Pulgar-Garcia v Karim-Mohamed Maamoun | 3-6,1-6 | |
| ITF Egypt F19 | 05/21 08:00 | - | Karim Hossam v Karim-Mohamed Maamoun | 4-6,6-2,6-7 | |
| ITF Egypt F19 | 05/20 08:00 | - | Andreas Ignacio Pasutti v Karim-Mohamed Maamoun | 0-6,1-6 | |
| ITF Egypt F33 | 05/16 08:00 | - | Petros Chrysochos v Karim-Mohamed Maamoun | 3-6,6-0,6-2 | |
| ITF Egypt F33 | 05/15 08:00 | - | Daniel Evans v Karim-Mohamed Maamoun | 6-7,0-6 | |
| ITF Egypt F33 | 05/08 08:00 | - | Tomas Papik v Karim-Mohamed Maamoun | 7-6,6-4 | |
| ITF Egypt F33 | 05/07 08:00 | - | Karol Drzewiecki v Karim-Mohamed Maamoun | 2-6,1-6 | |
| ITF Egypt F33 | 05/06 11:30 | - | Anton Pavlov v Karim-Mohamed Maamoun | 4-6,3-6 | |
| ITF Egypt F33 | 05/01 12:00 | - | Mohamed Safwat v Karim-Mohamed Maamoun | 7-5,7-5 | |
| ITF Egypt F33 | 04/30 09:30 | - | Sergiy Sergiienko v Karim-Mohamed Maamoun | 2-6,1-6 | |
| ITF Egypt F33 | 04/29 11:30 | - | Alexander Jhun v Karim-Mohamed Maamoun | 2-6,3-6 | |
| ITF Egypt F33 | 04/17 08:00 | - | Karim-Mohamed Maamoun v Lloyd Harris | 6-3,6-1 | |
| ITF Egypt F33 | 04/15 08:00 | - | Karim-Mohamed Maamoun v Alan Gadjiev | 6-2,6-1 |
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.