World number one Iga Swiatek was sent crashing out of the US Open on Wednesday by Jessica Pegula who moved into her first Grand

In her seventh Grand Slam quarterfinal, American star Jessica Pegula finally broke through, upsetting world No.1 Iga Swiatek to

American Jessica Pegula upset world No.

CORRECTS ID TO DIANA SHNAIDER OF RUSSIA NOT DARIA SNIGUR OF UKRAINE Jessica Pegula, of the United States, reacts after winning