Most Powerful Servers

SI Staff | Aug 26, 2013

Most Powerful Servers

John Isner

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With the U.S. Open running from Aug. 26-Sept. 9, here's a look at some of the players with the most powerful serves in the tournament. The list starts with Isner, who entered the U.S. Open with 749 aces this year, by far the highest number on the ATP Tour.

Serena Williams

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Milos Raonic

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Sabine Lisicki

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Ivo Karlovic

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Samantha Stosur

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Jerzy Janowicz

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Petra Kvitova

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Kevin Anderson

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Madison Keys

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Nicolas Almagro

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Venus Williams

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