Commonwealth Games champion Lakshya Sen continued his impressive run, trouncing Danish Hans-Kristian Solberg Vittinghus in straight games to progress to the men's singles second round at BWF World Badminton Championships here on Monday.

India also registered twin wins in women's and mixed doubles competition on the opening day which saw B Sai Praneeth bow out after losing in three games to world number 4 Chou Tien Chen of Chinese Taipei.