Two-time defending champion Aryna Sabalenka cruises into the US Open third round before a spiky exchange with a journalist.
Sabalenka's pace and power was too much for world number 160 Iatcenko, who managed just three winners compared to the 24 put away by the top seed.
Iatcenko looked a bundle of nerves in the biggest … [+1630 chars]
Iatcenko looked a bundle of nerves in the biggest … [+1630 chars]