Ashfa late winner sets up Real Madrid semi for Al Ahly

Second-half replacement Ashfa, a 20-time Egypt international, saw his late volley deflected to wrong foot Sounders goalkeeper Stefan Frei, which took Al Ahly to Wednesday's last-four fixture in Rabat.

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Earlier, teenager Musab Al Juwayr scored the crucial spot kick as Al Hilal beat CAF Champions League winners Wydad Casablanca 5-3 on penalties (1-1 after extra time) to set-up a semi-final with Brazilians Flamengo.

Al Juwayr, 19, converted after Yahya Attiat-Allah's miss for the Moroccans, playing 350km down the coast from their home city.

Defender Ayoub El Amloud had opened the scoring for the outfit on home soil before team-mate Yahya Jabrane was sent off in stoppage time at the end of the match.

Midfielder Mohamed Kanno equalised for the Saudis and sent the game into extra-time after 94 minutes. Kanno, however, was then red-carded four minutes into the additional half an hour.

Al Juwayr secured his side's place in Tuesday's semi-final in Tangier with an effort from the spot on just his 21st senior appearance.