"We came here and we were talking many times with the players that we need to show that we can compete with the best teams in Asia", Sanchez told reporters last week.
Since June 2017, the UAE has been part of a quartet of nations leading an economic and diplomatic boycott of Qatar.
VAR is being used for the first time at the Asian Cup from the quarter-finals onwards.
Japan benefitted from a contentious VAR penalty decision on the system's Asian Cup debut as a 1-0 win over Vietnam proved enough to see Hajime Moriyasu's men reach the semi-finals.
This move likely comes with the motive of having as few Qatar team supporters in the audience as possible, and will ensure that anyone wishing to support the country will not have access to tickets for the semi finals through official channels.
Japan will face Iran in the other semi-final match, which is scheduled for 6pm on Monday January 28, with the winning team making it through to the final on Friday February 1 at 6pm.
XXXTentacion's Family Welcomes His Son, Gekyume Onfroy
XXXTentacion's girlfriend has welcomed his baby seven months after he was murdered in a terrifying daytime shooting . A month later, four men were indicted on first-degree murder and armed robbery charges in relation to the case.
The move appears aimed at preventing a repeat of Qatar's last-16 game with Saudi Arabia, the UAE's staunch ally, when Omani fans turned up to cheer on the Maroons. "If I go I will have too many problems, it's far too much trouble for us".
Bor Mabil, 19, was killed in an accident in Adelaide just hours before the match, in which Awer Mabil was a second-half substitute.
Two drivers have been charged over the accident, in which a auto carrying Bor Mabil crashed into a fence, Australian Broadcasting Corp said.
The aim is to raise awareness of mental health issues such as depression, which he has witnessed all over the world, he said earlier in the tournament.
"We know what he wants from us, so it's very nice". Do you think it's the right thing to do?