Naomi Osaka handed second-round walkover at US Open
Osaka beat Marie Bouzkova in the first round.
Naomi Osaka advances to US Open third round without lifting a racket as opponent withdraws
Naomi Osaka safely into the third round.
Teenager Olga Danilovic wins in Moscow to make Open Era history
The teenagers ruled the roost in the first Moscow River Cup.
Inaugural Moscow River Cup final to be an all-teenage affair as last seed falls in semis
Teenagers ruling roost in Moscow.