1st(1st leg) Kashiwa Reysol - Al Shabab 1:1 (1:1)
2nd (2nd leg) Al Shabab - Kashiwa Reysol 2:2 (1:1)
1st(1st leg): 21/08/2013 11:00 2nd (2nd leg): 18/09/2013 18:15 Winner: Kashiwa Reysol
1st(1st leg) Guangzhou Evergrande - Lekhwiya SC 2:0 (0:0)
2nd (2nd leg) Lekhwiya SC - Guangzhou Evergrande 1:4 (0:3)
1st(1st leg): 21/08/2013 13:00 2nd (2nd leg): 18/09/2013 16:15 Winner: Guangzhou Evergrande
1st(1st leg) Esteghlal - Buriram United 1:0 (1:0)
2nd (2nd leg) Buriram United - Esteghlal 1:2 (1:0)
1st(1st leg): 21/08/2013 16:45 2nd (2nd leg): 18/09/2013 12:00 Winner: Esteghlal
1st(1st leg) Al Ahli SFC - FC Seoul 1:1 (0:1)
2nd (2nd leg) FC Seoul - Al Ahli SFC 1:0 (0:0)
1st(1st leg): 21/08/2013 19:00 2nd (2nd leg): 18/09/2013 11:30 Winner: FC Seoul