| Challenger Poznan | 06/15 08:30 | 14 | Diego Dedura v Karim-Mohamed Maamoun | 6-1,6-0 | |
| ITF M15 Sharm El Sheikh | 03/20 08:00 | - | Louis Herman v Karim-Mohamed Maamoun | 6-7,6-3,6-1 | |
| ITF M15 Sharm El Sheikh | 03/19 08:00 | - | Karim-Mohamed Maamoun v Giovanni Oradini | 6-4,3-6,6-3 | |
| ITF M15 Sharm El Sheikh | 03/12 08:00 | - | Amr Elsayed v Karim-Mohamed Maamoun | 6-2,6-1 | |
| Challenger Manama | 02/09 08:00 | 14 | Marat Sharipov v Karim-Mohamed Maamoun | 7-5,6-2 | |
| Davis Cup | 02/02 15:50 | 5 | Aristotelis Thanos v Karim-Mohamed Maamoun | CANC | |
| Davis Cup | 02/01 15:50 | 2 |
Stefanos Sakellaridis
v
Karim-Mohamed Maamoun |
6-1,6-2 | |
| ITF M15 Antalya | 01/23 11:00 | - | Karim-Mohamed Maamoun v Carles Cordoba | 4-6,1-6 | |
| ITF M15 Antalya | 01/21 09:00 | - | Karim-Mohamed Maamoun v Fares Zakaria | 6-4,1-3 | |
| ITF M15 Sharm El Sheikh | 11/20 10:55 | 25 | Karim Ibrahim v Karim-Mohamed Maamoun | Retired | |
| ITF M25 Sharm El Sheikh | 10/17 08:30 | 26 | Yurii Dzhavakian v Karim-Mohamed Maamoun | 6-3,7-6 | |
| ITF M25 Sharm El Sheikh | 10/16 08:25 | 25 | Akram El Sallaly v Karim-Mohamed Maamoun | 3-6,3-6 |
Karim-Mohamed Maamoun (born 9 April 1991 in Cairo) is an Egyptian tennis player. Maamoun has a career high ATP singles ranking of No. 225 achieved on 2 October 2017. Maamoun has represented Egypt at the Davis Cup where he has a W/L record of 17–9.