Six-time world champion Mary Kom won the gold medal without breaking a sweat in the 23rd President's Cup boxing tournament in Indonesia. Asserting her supremacy in a 51kg bout final, Mary decimated Australian opponent, April Franks 5-0 to win gold. 36-year-old Indian Boxing sensation, who claimed her sixth world title last year in Delhi, will be looking to qualify for the 2020 Tokyo Olympics in the World Championships in Russia.