HEADLINESGauff, Fils win titles in Cincinnati before heading to US OpenRevamped US Open mixed doubles creative way to get 'more eyes' on tennisSabalenka, Djokovic fall in 1st match as US Open mixed doubles beginsSerena to play mixed doubles with Alcaraz in US Open returnGauff, Tiafoe among 4 Americans to reach Cincinnati Open semis
