Nishikori, Osaka book trips to US Open semis

    Men's singles semifinalist Kei Nishikori and women's singles semifinalist Naomi Osaka, both of Japan pose for a portrait following their quarterfinal matches on day 10 of the US Open.

    Story highlights

    • Nishikori, Osaka both progress to semis
    • Nishikori to face Djokovic in New York
    • Osaka will face American Keys

    (CNN)It was a great day for Japanese tennis as both Kei Nishikori and Naomi Osaka reached US Open semifinals in two very different matches.

    Osaka set a personal milestone by securing her first grand slam semifinal, and brought some pride to her home nation by becoming the first Japanese woman to advance to the final four of a slam tournament in two decades.
      In the end she made it easy, swatting aside unseeded Ukrainian Lesia Tsurenko in under an hour, 6-1 6-1.
      Osaka celebrates victory over Lesia Tsurenko at the Billie Jean King National Tennis Center.