Negi continued to make merry at the expense of Teja, while former World Junior Champion Abhijeet Gupta overcame Women International Master Bagyashree Thipsasy at the Ludlow Castle Sports Complex.
Top seed Grandmaster Alexander Areshchenko of Ukraine and fifth seed Grandmaster Lenic Luka of Slovenia also sailed smoothly to the fifth round with perfect scores after defeating Sidhant Mohapartra and S Kuashik here.
However, seventh seed Russian Grandmaster Konstantin Chernyshov had to settle for half a point against R Premnath.
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