Shubhanker Dey now remains the lone Indian in the men's singles contest, having progressed to the second round where he will be up against Shesar Hiren Rhustavito of Indonesia.
While Sindhu and Okuhara battled for 110 minutes during the 2017 World Championships final match, the duration of Sunday's match was just 38 minute
With three or four genuinely world-class players, badminton has established itself as India's boom sport
A semifinal finish at Lucknow also saw Mumbai's Harsheel Dani's rank jump to 69
Olympic silver medallist P V Sindhu entered the top 10 but Saina Nehwal crashed out of the elite bracket
The BWF International series is slated to take place at Islamabad from October 18-21
Nehwal will next take on the winner of the match between fourth seed Wang Yihan and eighth seed Tai Tzu Ying