Former Asian medallist Sumit Sangwan (86kg) was among the victors on the opening day of the men’s National Boxing Championships at the Inspire Institute of Sports here on Wednesday. Sumit notched up a comfortable win over Andhra Pradesh’s Harish Prasadula by unanimous margin in the 86kg opening round match.

The 2019 President’s Cup gold medallist Neeraj Swami (48kg) made a winning start with a dominating 5-0 victory against Haryana’s Sagar.