Cuhammad Roslin Hashim of Malaysia and China's Zhou Mi claimed their first singles titles of the Yonex Open badminton championships in one-sided victories on Sunday.
Hashim overwhelmed Lee Hyun Il of South Korea 15-11, 15-6 in the men's final while Zhou needed just 25 minutes to crush Gong Ruina 11-8, 11-0 in an all-Chinese women's final at Tokyo's Yoyogi No. 2 Gymnasium.