Egyptian swimmer Youssef El-Kamash failed to impress at the World Championships after ending the Men 50m Breaststroke event at 24th place in 27,62 minutes on Tuesday. Youssef's brother Marwan didn't participate in Tuesday's 200m freestyle event despite being included in the starting list. He failed to reach the men's 800m Freestyle final after ending the heats at 26th place. Also on Tuesday, Egypt's Mohamed Samy dadn't make the final for the Men 100m Backstroke event after ranking 39 in the heats a day earlier. On Sunday, Egyptian swimmer Farida Osman started her mission in the world tournament with 100 fly; ranking 17th in 58.43 minutes, but she still has the chance to win a medal when she competes at the 50, 100 free and 50 fly events. (For more sports news and updates, follow Ahram Online Sports on Twitter at @AO_Sports and on Facebook at AhramOnlineSports.)