Unseeded HS Prannoy of India caused a big upset when beating Malaysian top seed Lee Chong Wei in the second round of the BCA Indonesia Open taking place in Jakarta on Thursday.
The 24-year-old Prannoy, who needed to qualify for the event, needed 40 minutes to thump Lee 21-10, 21-18.
This is the third time the two have played each other with Lee now leading the head-to-head meetings 2-1.
In other men's singles second round action, there was an upset when unseeded Kidambi Srikanth of India defeated fourth-seeded Dane, Jan O Jorgensen 21-15, 20-22, 21-16 in 57 minutes.
And in another upset, unseeded Rajiv Ouseph of England beat China's fifth seed Shi Yuqi 21-12 21-15 while sixth seed Chou Tien Chen of Chinese Taipei needed 70 minutes to down Denmark's Anders Antonsen 21-12, 20-22, 21-15.
In women's singles second round action, Japan's third seed Akane Yamaguchi needed over an hour to beat unseeded countryman Nozomi Okuhara 15-21, 21-19, 21-15 and fifth seed Sung Ji Hyun of the Korea Republic saw off Indonesia's Fitriani Fitriani 21-10, 21-10.
China's sixth-seeded Sun Yu needed 59 minutes to beat Thailand's Busanan Ongbamrungphan 21-19, 21-19 and Thailand's Nitchaon Jindapol defeated Saina Nehwal of India 21-15, 6-21, 21-16 in 63 minutes.