Australian Open champion Madison Keys was undone by 89 unforced errors and was upset in the first round of the U.S. Open by ...

“For the first time in a while, my nerves really got the better of me, and it kind of became a little bit paralyzing,” Keys ...

American Madison Keys couldn't overcome unforced errors and double faults as Renata Zarazua made Mexican women's tennis history at the U.S. Open.