CAIRO: Zamalek forward Mostafa Gaafar is set to undergo tests on Sunday to determine whether he could take part in his side s game against ENPPI on Tuesday. The 27-year-old sustained a nagging knee injury during the 1-0 defeat against Gaish in the Egyptian League on Friday. Gaafar bruised his knee in the last game and had to be rested on Saturday, team doctor Mostafa Al-Muniri was quoted as saying by Zamalek s website. According to Al-Muniri, Gaafar is currently the only unfit player in the Whites squad.