| Squash On Fire Open | 02/24 01:15 | 8 | Waller, Adrian v Hammamy, Karim El | 2-3 | |
| Squash On Fire Open | 02/23 01:15 | 7 | Mangaonkar, Mahesh v Hammamy, Karim El | 1-3 | |
| Pittsburgh Open 2020 | 02/08 23:30 | 7 | Hammamy, Karim El v Ghosal, Saurav | 1-3 | |
| Motor City Open 2020 | 02/01 22:00 | 7 | Salazar, Cesar v Hammamy, Karim El | 3-2 | |
| J.P. Morgan Tournament of Champions 2020 | 01/18 22:00 | 7 | Abouelghar, Mohamed v Hammamy, Karim El | 3-0 | |
| HKFC Open | 12/06 09:00 | 7 | Hammamy, Karim El v Lau, Tsz Kwan | 2-3 | |
| Hong Kong Open | 11/29 07:00 | 8 | Hesham, Mazen v Hammamy, Karim El | 3-1 | |
| Hong Kong Open | 11/28 06:00 | 7 | Wong, Chi Him v Hammamy, Karim El | 1-3 | |
| Malaysian Open | 11/22 08:00 | 7 | Khan, Faraz v Hammamy, Karim El | 3-1 | |
| Czech Open | 11/04 13:25 | 8 | Soares, Rui v Hammamy, Karim El | 3-1 | |
| Egypt Open | 09/19 13:35 | 7 | Hammamy, Karim El v James, Declan | 1-3 | |
| Qatar Classic | 09/05 09:45 | 8 | Elnawsany, Yahya v Hammamy, Karim El | 3-1 | |
| Qatar Classic | 09/04 09:45 | 7 | Aslam, Tayyab v Hammamy, Karim El | 0-3 | |
| CIB Zed Squash Open | 08/25 13:45 | - | Balazs Farkas v Hammamy, Karim El | 3-1 | |
| QSF 4 Doha | 06/22 14:45 | 3 | Hammamy, Karim El v Tandon, Ramit | 2-3 | |
| QSF 4 Doha | 06/21 15:30 | 8 | Rory Stewart v Hammamy, Karim El | 0-3 | |
| Mauritius Open | 06/08 14:30 | 8 | Marche, Gregoire v Hammamy, Karim El | 3-0 | |
| Mauritius Open | 06/07 14:30 | 7 | Soares, Rui v Hammamy, Karim El | 1-3 | |
| El Gouna International | 05/27 10:45 | 7 | Hammamy, Karim El v Golan, Borja | 2-3 | |
| PSA World Championships | 05/15 14:45 | 8 | Hammamy, Karim El v Hesham, Mazen | 0-3 | |
| PSA World Championships | 05/13 16:15 | 7 | Hammamy, Karim El v Ibrahim Elkabbani | 3-1 | |
| JP Morgan Tournament of Champions | 05/01 20:00 | 7 | Brownell, Timothy v Hammamy, Karim El | 3-2 | |
| British Open 2019 | 03/28 18:45 | 7 | Hammamy, Karim El v Golan, Borja | 1-3 | |
| Optasia Championships | 03/06 21:00 | 7 | Hammamy, Karim El v Parker, George | 1-3 | |
| Windy City Open 2020 | 02/23 18:45 | - | Hammamy, Karim El v Castagnet, Mathieu | 0-3 | |
| CIB Black Ball Open | 12/16 12:30 | 7 | Hammamy, Karim El v Ibrahim, Youssef | 0-3 | |
| US Open | 10/03 18:30 | 9 | Coll, Paul v Hammamy, Karim El | 3-0 | |
| US Open | 10/02 17:30 | 8 | Hammamy, Karim El v Ibrahim, Youssef | 3-1 | |
| US Open | 10/01 17:30 | 7 | Clyne, Alan v Hammamy, Karim El | 2-3 | |
| Egypt Open | 09/12 18:30 | 9 | Elshorbagy, Mohamed v Hammamy, Karim El | 3-0 |
Karim Ayman El Hammamy (born November 4, 1995, in Cairo) is a professional squash player who represented Egypt. He reached a career-high world ranking of World No. 55 in March, 2017.