Group F | 29/06/2021 | BG Pathum United | - | Ulsan Hyundai FC | 0:2 | ||||
Group F | 02/07/2021 | Kaya FC–Iloilo | - | Ulsan Hyundai FC | 0:3 | ||||
Group F | 05/07/2021 | Ulsan Hyundai FC | - | Kaya FC–Iloilo | 2:1 | ||||
Group F | 08/07/2021 | Ulsan Hyundai FC | - | Viettel FC | 3:0 | ||||
Group F | 11/07/2021 | BG Pathum United | - | Ulsan Hyundai FC | 0:2 | ||||
Quarter-finals | 17/10/2021 | Jeonbuk FC | - | Ulsan Hyundai FC | 2:3 aet |