He beat Japan's 2012 National Champion Maharu Yoshimura in a thrilling encounter in the Men's main draw at the Japan Open and then won another good match against the Swedes in the Men's doubles partnering Harmeet Desai. They are in the doubles quarterfinals now.
Here's the significance of Soumyajit's win. Yoshimura beat Mizutani (a World Top Ten player!) to win the Japanese National Championships last year. Past winners of the championships have been big names including Mizutani and now Koki Niwa in 2013.
Sharath Kamal also advanced to the Men's round of 32 with a good win. Both Soumyajit and Sharath play against Taipei players in the Singles. Sharath has a good chance against Lee Chia Sheng but Soumyajit has World no. 26 Chen Chein-An to tackle. We already know that our Bengal Tiger is fearless and will go all out against the very best.
Incidentally, in the doubles, Soumyajit and Harmeet will face the two players that Sharath and Soumyajit beat in the singles first round (Yoshimura/Jin).