Ulsan Hyundai have defeated Beijing Guoan for the second time in a fortnight in the Asian Champions League.

Played at the Beijing Workers Stadium, the match ebbed and flowed for the majority with Beijing taking a small lead in possession but could not convert on the scoreboard.

It took a goal from Ulsan's Oh Jang-eun in the 70th minute to break the deadlock and keep the Korean club's chances of progressing to the next round well and truly alive.