Rio Olympic bronze medalist Nozomi Okuhara defeated Akane Yamaguchi 2-1 in an all-Japanese women's singles final at the World Super Series Australian Open on Sunday, when both Japanese doubles pairs also triumphed.It was the first time Japanese had won three of the five draws in a super series event.Okuhara, who has been struggling with a right shoulder injury after the Olympics, prevailed 21-12, 21-23, 21-17 over the third-seeded Yamaguchi at Sydney Olympic Park to capture her fourth Super Series title."I am delighted," said Okuhara, whose win came on the same day her hometown of Nagano in…READ FULL ARTICLE