Japanese players prevailed in four categories at the prestigious All England Open Badminton Championships on Sunday.
In the women's singles final, Japan's Okuhara Nozomi beat Thailand's Pornpawee Chochuwong in straight sets -- 21-12, 21-16.
This is Okuhara's second All England Open championship and her first in five years. She won a bronze medal at the Rio de Janeiro Olympics.
The finals of the men's doubles, women's doubles, and mixed doubles pit Japanese pairs against their compatriots.
In the men's doubles final, defending champions Endo Hiroyuki and Watanabe Yuta defeated Sonoda Keigo and Kamura Takeshi in two sets to one -- 21-15, 17-21, 21-11.
In the women's doubles final, Nagahara Wakana and Matsumoto Mayu beat the world's top-ranked duo of Fukushima Yuki and Hirota Sayaka in straight sets -- 21-18, 21-16.
This was the first All England Open championship for Nagahara and Matsumoto.
In the mixed doubles final, Watanabe Yuta and Higashino Arisa triumphed over Kaneko Yuki and Matsutomo Misaki in straight sets -- 21-14, 21-13.
This was the second All England Open title for Watanabe and Higashino and their first in three years.
Watanabe became the first Japanese player to win two titles in an All England Open tournament.