Fourth seed Ruthvika defeated fellow Indian Arundhati Pantawane 21-9 21-10 to set up a fight against Russia's Elena Komendrovskaja in women's singles.
Third seed Tanvi also disposed off Russia's Ekaterina Kut 21-10 21-13 and will face another local player Evgeniya Kosetskaya next.
In men's singles, Siril Verma outclassed Israel's Misha Zilberman, seeded 3rd, 21-15 21-9 and will meet Malaysia's Zulhelmi Zulkiffli, seeded 8th.
Among other Indians in fray, Jakkampudi Meghana and Poorvisha S Ram defeated Russian combo of Victoria Slobodyanyuk and Elizaveta Tarasova 12-21 21-16 21-12. The Indians duo will face local pair of Tatjana Bibik and Elena Komendrovskaja next.
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