Doha: A goal early in each half earned Qatar U-23 a 2-0 win over Oman in a warm-up friendly in Doha on Tuesday   Hazem Ahmed gave Qatar the lead after 10 minutes when his deflected shot from outside the box wrongfooted the Omani goalkeeper.   Hassan Ahmed doubled their lead fourminutes into the second playing session when he poked the ball home from close range after a quick counterattack to settle the lively encounter between the two gulf nations.   Coach Unai Melgosa has called 27 players for this friendly: Hassan Ahmed, Mishal Ibrahim, Mishal Issa, Hatem Kamal, Hussien Bahzad, Amro Fatah, Mohammed Ismaiel, Elyas Ali, Hassan Waleed, MonkizHihad, Abdullah Al Ahrak, Abdulrahman Mustafa, Abdullah Fadli, Hazem Ahmed, Mohammed Abasi, Fareed Ibrahim, Yazan Naiem, Mohammed Raied, Sayed Hassan, Mowafaq Awad, Abdullah Hussien, Omair Abdullah, Ibrahim Masoud, Mohammed Fathi, Bashar Obaied and Khalid Muneer.