How to determine the match table in AFC Champions League 1/4 finals?

The draw for the AFC Champions League1quarter finals still adopts the principle of division, and the teams from the East and the West will not meet, but the principle of avoiding the same country from the quarter-finals is no longer applicable, which means that there may be a Japanese derby. In the semi-finals, there is no need to draw lots, but the final will be held according to the draw of 1/4. In West Asia, the winner of QF 1 played against the winner of QF2. East Asia is the winner of QF3 to QF4, and the schedule of QF2 and QF4 will be the first leg away and the second leg at home. As for the order of the home and away games in the last two rounds, it will be decided by both sides after the lottery ceremony for the last game of 1/4 is announced.

20 15 AFC champions league quarter-finals:

East Asia: Guangzhou Evergrande, Jeonbuk Hyundai, Cypress Sun God and Gamba Osaka.

West Asia: Teheran Oil (Iran), Al Ahli (United Arab Emirates), Lehwiya (Qatar), Alkiral (Saudi Arabia).