Kawasaki Frontale suffered a major setback in its bid for an Asian Champions League knockout-stage berth Wednesday, falling 3-2 to Group I opponent Ulsan Hyundai in Malaysia.

Fellow J. League side Urawa Reds, meanwhile, cruised to a 6-0 win over Singapore's Lion City Sailors in Thailand to stay in contention to qualify automatically for the round of 16 from Group F.

Leandro Damiao struck a brace for previously unbeaten J. League champion Frontale, which was left ruing missed chances and crucial defensive lapses against South Korea's 2020 ACL champion Ulsan, whichi it played to a 1-1 deadlock in their opening group-stage match.