Yuya Osako scored a second-half brace before Ritsu Doan added a third as Japan battled from behind for a 3-2 win over Turkmenistan in Group F in its opening match of the AFC Asian Cup in the United Arab Emirates on Wednesday.

Coming into the match at Abu Dhabi's Al Nahyan Stadium as the underdog, Turkmenistan shocked four-time champion Japan by taking the lead in the 26th minute on a long-range strike by Arslanmurat Amanov.

The 28-year-old winger, who plays for Uzbekistani club FK Bukhara, beat 'keeper Shuichi Gonda with a thunderous shot from five meters outside the box.