Venus vs Serena
Let's break it down.
1st Serve - Venus can generate more racket head speed, but Serena has a more reliable, and controllable, first serve.
2nd Serve - No contest. Venus has a second serve only Hingis could be proud of. She basically counts on her foot speed to counter-act this.
Groundstrokes. It's not what they are, it's what they do. Serena is constantly moving forward. So she has to play a lot of balls that are actually landing behind her. That's about the only opportunity to attack Serena you get, and you have to put the ball on the baseline with the previous shot. When she running on the forehand side, there's no angle she won't try the hooking crosscourt passing shot from. She's using a backhand slice more, but the shot is poorly disguised. Mostly its just keeping the ball down so when Serena gets to net, she has an easy volley.
Venus plays a much more side to side game than does Serena. And she puts more of a premium on keeping her errors down. Often, Venus will block back a high paced shot. As often as not, the ball lands on a sideline or the baseline anyway, but these are basically defensive shots. Shots Venus uses because she doesn't have time to set up. But it does mean her opponent is constantly trying to make difficult shots. And of course, Venus attacks at the first short or weak ball.
Truth is, its much easier to take control of a point from Venus than it is to take control from Serena. Venus just runs back and forth til she gets control back. Serena fights over it. Put differently; Venus knows how to make the match very, very difficult for anyone she plays. Serena attacks them.
Well, so much for breaking down their games. But it isn't the shots that define them, it's the style.
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