Madison Keys' Best Groundstrokes | US Open

Madison Keys' best groundstrokes at the US Open.
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[@kofipokuantwi-boateng5446]

Looking at Madison Keys career makes you appreciate how important mental toughness is in tennis. The reason she's not a multiple slam champion is her lack of mental toughness. She has the physical tools.

[@christopherlewis57]

I have been a fan of Madison Keys for many years . SOME OF HER LOSSES I have actually shed tears: