 |
 |
|
|
| 1st(1st leg) | Al Jazira Club | - | Persepolis | 3:2 (0:1) | ||
| 2nd (2nd leg) | Persepolis | - | Al Jazira Club | 2:1 (0:0) | ||
| 1st(1st leg): 07/05/2018 16:30 | 2nd (2nd leg): 14/05/2018 16:00 | Winner: Persepolis | ||||
| 1st(1st leg) | Al Sadd | - | Al Ahli SFC | 2:1 (2:0) | ||
| 2nd (2nd leg) | Al Ahli SFC | - | Al Sadd | 2:2 (2:1) | ||
| 1st(1st leg): 07/05/2018 17:15 | 2nd (2nd leg): 14/05/2018 18:40 | Winner: Al Sadd | ||||
| 1st(1st leg) | Buriram United | - | Jeonbuk FC | 3:2 (1:0) | ||
| 2nd (2nd leg) | Jeonbuk FC | - | Buriram United | 2:0 (1:0) | ||
| 1st(1st leg): 08/05/2018 12:00 | 2nd (2nd leg): 15/05/2018 11:00 | Winner: Jeonbuk FC | ||||
| 1st(1st leg) | Tianjin Quanjian FC | - | Guangzhou Evergrande | 0:0 (0:0) | ||
| 2nd (2nd leg) | Guangzhou Evergrande | - | Tianjin Quanjian FC | 2:2 (1:1) | ||
| 1st(1st leg): 08/05/2018 12:30 | 2nd (2nd leg): 15/05/2018 13:00 | Winner: Tianjin Quanjian FC | ||||
| 1st(1st leg) | FC Zob Ahan | - | Esteghlal | 1:0 (0:0) | ||
| 2nd (2nd leg) | Esteghlal | - | FC Zob Ahan | 3:1 (2:0) | ||
| 1st(1st leg): 08/05/2018 15:45 | 2nd (2nd leg): 15/05/2018 17:15 | Winner: Esteghlal | ||||
| 1st(1st leg) | Al Ain FC | - | Al Duhail SC | 2:4 (0:2) | ||
| 2nd (2nd leg) | Al Duhail SC | - | Al Ain FC | 4:1 (2:0) | ||
| 1st(1st leg): 08/05/2018 17:10 | 2nd (2nd leg): 15/05/2018 16:30 | Winner: Al Duhail SC | ||||
| 1st(1st leg) | Kashima Antlers | - | Shanghai SIPG | 3:1 (1:0) | ||
| 2nd (2nd leg) | Shanghai SIPG | - | Kashima Antlers | 2:1 (1:1) | ||
| 1st(1st leg): 09/05/2018 11:00 | 2nd (2nd leg): 16/05/2018 13:00 | Winner: Kashima Antlers | ||||
| 1st(1st leg) | Ulsan Hyundai FC | - | Suwon Bluewings | 1:0 (0:0) | ||
| 2nd (2nd leg) | Suwon Bluewings | - | Ulsan Hyundai FC | 3:0 (2:0) | ||
| 1st(1st leg): 09/05/2018 12:00 | 2nd (2nd leg): 16/05/2018 12:00 | Winner: Suwon Bluewings | ||||
