Tomokazu Harimoto of Japan became table tennis' youngest World Tour Grand Finals singles champion on Sunday with a win over world No. 4 Lin Gaoyuan of China.The 15-year-old Harimoto, ranked fifth in the world, beat Lin 11-4, 13-15, 11-9, 11-9, 11-9 to become Japan's first men's singles champion at the event since Jun Mizutani won in 2014.The youngest Tour Grand Finals champions were Japan's women's doubles pair of Miu Hirano and Mima Ito, who won in 2014 at the age of 14.After dropping the second game to fall even, Harimoto reeled off six straight points to open the third game. But quickly,…READ FULL ARTICLE