History Made at the #USOpen: @naomiosakatennis and @keinishikori’s deep runs in the tournament mark the first time in the Open Era that a Japanese man and woman are in the Semifinals of a Grand Slam! 🇯🇵 _ #NaomiOsaka #KeiNishikori #Japan #Tennis #Sports #instatennis #instasports #athletes #openera #semifinals #sportshistory #USOpen50