Grand Slam champions Elena Rybakina and Barbora Krejcikova comfortably won their opening matches to help Kazakhstan and the Czech Republic respectively take 2-0 leads in their Billie Jean King Cup qualifiers on Friday.
Grand Slam champions Elena Rybakina and Barbora Krejcikova comfortably won their opening matches to help Kazakhstan and the Czech Republic respectively take 2-0 leads in their Billie Jean King Cup qualifiers on Friday.