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Indian shuttler H.S. Prannoy suffered an upset in the pre-quarterfinals, while the men's doubles pair of Manu Attri and B. Sumeeth Reddy and the mixed doubles combine of Pranaav Jerry Chopra and N. Sikki Reddy entered the quarter-finals of the Canada Open Grand Prix here.
Second seeded Prannoy was stunned by South Korean ninth seed Jeon Hyeok Jin, who won 17-21, 21-14, 21-13 in an hour and a minute on Thursday to enter the quarter-finals of the $65,000 event.
The third seeded pairing of Manu and Sumeeth got the better of South Koreans Choi Solgyu and Jae Hwan Kim 21-17, 17-21, 21-13 in 45 minutes at the Canada Olympic Park.
In the semi-finals, the Indian pair will meet another South Korean pair in Kim Won Ho and Seung Jae Seo, who ended the hopes of England's Ben Lane and Sean Vendy with a hard-fought 22-20, 21-17 victory.
Mixed doubles second seeds Pranaav and Sikki took just 26 minutes to brush aside the Dutch pair of Robin Tabeling and Cheryl Seinen 21-11, 21-17.
Pranaav and Sikki will meet South Koreans Kim Won Ho and Shin Seung Chan in the semi-finals on Friday. Kim and Shin defeated Australian sixth seeds Sawan Serasinghe and Setyana Mapasa 21-18, 21-10.
However, another Indian mixed doubles pair of Kona Tarun and J. Meghana suffered a 9-21, 8-21 loss to Japanese Kohei Gondo and Wakana Nagahara.
Women's singles shuttler Ruthvika Shivani Gadde was also eliminated, losing to Japanese second seed Aya Ohori. The Japanese won 21-13, 17-21, 21-19 in a hard-fought contest which lasted 55 minutes.
Also losing were men's singles shuttlers Karan Rajan Rajarajan and Abhishek Yelegar.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)