Also in Group H, Sydney FC was held to a 0-0 draw by South Korean team Ulsan Horang-i.
Two-time champion Jeonbuk Hyundai Motors won its opening match in Group G, beating Chinese club Beijing Guoan 3-1.
Han Kyo-won gave the South Korean hosts the lead in the 14th minute, but Zhang Xizhe equalized before halftime. Lee Dong-gook and Kim Shin-wook added second-half goals for Jeonbuk.
In the other Group G match, Japanese club Urawa Reds scored three second-half goals to beat Thai team Buriram United 3-0.
Japanese international Tomoaki Makino headed the 2017 champions into the lead and Daiki Hashioka added the others.
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