Five Indian shuttlers, including top seed Subhankar Dey and former national champion Rituparna Das today advanced to the pre-quarterfinals of their respective singles competition at the Russian Open BWF Tour Super 100 in Russia. 

In Men's Singles, Subhankar defeated England's Hin Shun Wong 21-10 21-6. Siril Verma saw off Sergey Sirant of Russia 21-15 12-21 21-11. In another match, Rahul Yadav Chittaboina defeated Russian Anton Ivanov 21-5 21-9 

 Subhankar will now face Japan's Kodai Naraoka, while Siril will meet Slovenia's Miha Ivanic. Rahul will square off against sixth seed Pablo Abian of Spain. 

In Women's Singles, Rituparna thrashed Singapore's Chua Hui Zhen Grace 21-12 21-8, while Vrushali Gummadi defeated Russia's Alina Kurguzova 21-8 21-9 to enter the pre-quarterfinals.

Rituparna now will face fifth seeded Ksenia Polikarpova of Israel. Vrushali will lock horns with seventh seed Pai Yu Po of Chinese Taipei.