text:  um he can defend really well and loves defending he can also attack so it's kind of hard to formulate a game plan against him and it kind of feels like one of those pivotal moments in tennis like the way serena williams uh revolutionized the women's game with bringing so much more power than there was before or the way the big three revolutionized it just by how long they were able to they were able to dominate it feels like this is something new that we're seeing that sports reporter ava wallace of the washington post joining us from london thank you so much thanks