Vulnerable Sabalenka and wide-open men’s draw set stage for US Open drama

Defending champion arrives at Flushing Meadows in poor form and with a host of challengers looking to usurp herUnder any normal circumstances Aryna Sabalenka would not have lost her third round match at the Cincinnati Open last week. For all of her unforced errors, indecisiveness and the obvious tension surrounding her tennis, the world No 1 had led the unheralded Sára Bejlek 5-1 in the first set tie-break and then 4-1 in set two. She gave herself more than enough chances to close out a comfortable win.Instead Sabalenka returns to New York trying to find a path through her greatest crisis since she first reached No 1 in the rankings more than three years ago. That straight-sets loss in Cincinnati extended a mediocre 17-7 record dating back to the beginning of April without reaching a singl