India's Kiran George scripted a stunning straight-game win over world number 9 Shi Yu Qi of China, but double Olympic medallist PV Sindhu made an opening round exit from the Thailand Open Super 500 tournament in Bangkok on Wednesday. (More Badminton News)
Ashmita Chaliha and Saina Nehwal also made winning starts to their campaign in women's singles, while Lakshya Sen and world number 4 pair of Satwiksairaj Rankireddy and Chirag Shetty also progressed to the pre-quarterfinals.
On a day when Kidambi Srikanth and B Sai Praneeth also failed to cross the opening hurdle, 2022 Odisha Open winner Kiran, a product of the Prakash Padukone academy, notched up a 21-18 22-20 win over third seed Shi Yu Qi, who is a 2018 world championships silver medallist.
Kiran will take on China's Weng Hong Yang next.
His academy mate Lakshya also dug deep to eke out a hard-fought 21-23 21-15 21-15 win over Chinese Taipei's Wang Tzu Wei. He is likely to square off against All England champion Li Shi Feng of China.
Commonwealth Games champion and top seeds Satwik and Chirag too had to work hard to outwit the Danish combination of Rasmus Kjaer and Frederik Sogaard 21-13 18-21 21-17 in a thrilling match.
A former world champion, Sindhu, however, faltered in the opening round, going down fighting 8-21 21-18 18-21 to Canada's Michelle Li in 62-minute match.
In other matches, Ashmita, who came through the qualifiers, beat compatriot Malvika Bansod 17-21 14-21, while London Olympics bronze medallist Saina defeated Canada's Wen Yu Zhang 21-13 21-7.
Ashmita will next face Rio Olympic gold medallist Carolina Marin, seeded fourth, while Saina is likely to meet He Bing Jiao of China.
Srikanth, the 2021 world championships silver medallist, lost 8-21 21-16 14-21 against China's Weng Hong Yang, who had reached the final of Malaysia Masters last week.
Praneeth, who competed at the Tokyo Olympics, also found France's Christo Popov too hot to handle, going down 14-21 16-21 in another match.
Orleans Masters winner Priyanshu Rajawat too couldn't cross the opening hurdle, going down 19-21 10-21 to Malaysia's Ng Tze Yong.
Former world number 11 Sameer Verma, who had won the Slovenia Open recently, went down 15-21 15-21 to Denmark's Magnus Johannesen.
Ashwini Bhat K and Shikha Gautam lost to Korea's third seed Baek Ha Na and Lee So Hee 11-21 6-21 in women's doubles.
The BWF World Tour is divided into six levels, namely World Tour Finals, four Super 1000, six Super 750, seven Super 500, and 11 Super 300 in order. One other category of tournament, the BWF Tour Super 100 level, also offers ranking points.
The Super 500 is a Grade 2 (level 4) event in the BWF tournament ranking system.