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Continue to ChatThe Slow but Steady Erosion of the Server's Advantage http://www.tennisabstract.com/blog/2015/10/05/the-slow-but-steady-erosion-of-the-servers-advantage/
The Slow but Steady Erosion of the Server's Advantage http://www.tennisabstract.com/blog/2015/10/05/the-slow-but-steady-erosion-of-the-servers-advantage/