India's Kidambi Srikanth made a winning start but PV Sindhu and HS Prannoy were ousted from the Singapore Open Super 750 tournament after suffering contrasting losses in the opening round here on Tuesday.

Srikanth, a 2021 World Championships silver medallist, beat Thailand's Kantaphon Wangcharoen 21-15, 21-19 in the opening round of men's singles.

Orleans Masters winner Priyanshu Rajawat also notched up a 21-12, 21-15 victory over Japan's Kanta Tsuneyama to set up a date with Japan's world No. 4 Kodai Naraoka.

Up against world No.1 Akane Yamaguchi of Japan, defending champion Sindhu fought hard before going down 21-18, 19-21, 17-21 in a little over an hour. The two last faced off in Thailand last year.

Prannoy, who came into the tournament after claiming his maiden BWF title at Malaysia Masters, couldn't match the young Naraoka, losing 15-21, 19-21 to the third seeded Japanese in 56 minutes.

Doubles pair of MR Arjun and Dhruv Kapila, however, made a good start after claiming a 21-16, 21-15 win over France's Lucas Corvee and Ronan Labar in their opening match.

Among others, London Olympics bronze medallist Saina Nehwal lost 13-21 15-21 to former world champion Ratchanok Intanon of Thailand, while Aakarshi Kashyap went down to another Thai Supanida Katethong 21-17, 21-9 in their respective opening match.