In the first classification match of the day, Japan proved to be too good for the Bangladeshis.
Japan scored two goals in the first half through Toshiro Tachibana (9th minute) and captain Koji Kayukawa (26th).
After the change of ends, Japan pumped in another when Tachibana scored his second goal of the day through a field effort in the dying moments of the match.
Meanwhile, in the second classification match of the day between two debutants, Chines Taipei overcame a two goal deficit to hold Oman 2-2 after the regulation 70 minutes.
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The Taipei side made spirited comeback in the last 15 minutes of the match and scored through Liu Ching Kun (57th) and Tseng Hsien-Yi (67th) to take the match into penalty shootout.
But the young Taipei side succumbed under pressure in the shootout and managed to convert just one chance. The Omanese were no better and somehow managed to win, utilising two opportunities in the tie-breaker.
For Oman, Shihan Nahadh Baid Saad and Samir Haliyas Juma'an Al Shibli scored in the shootout.