The 24-year-old Chopra's opening throw of 86.69m turned out to be the winning distance. Trinidad and Tobago's 2012 Olympics champion Keshorn Walcott was second with a first round throw of 86.64m. Peters was third with a best throw of 84.75m, which also came in the opening round. Chopra's second and third attempts were fouls and he made only three throws. That meant Chopra had a single legal throw and he won the competition with it. His throw was not as big as the 89.30m effort while finishing second in the Paavo Nurmi Games in Turku, Finland, in a star-studded field but the win will surely boost his confidence ahead of the Stockholm Diamond League on June 30.