The Switch Goffin, Nadal Hit When Transitioning To Clay

Nothing moves the dial more with the transition from hard courts to clay courts than points won returning first serves.
An Infosys ATP Beyond The Numbers analysis of the four semi-finalists from the 2017 Rolex Monte-Carlo Masters against their own 2017 hard-court averages identifies the biggest improvement in any serve or return category was points won returning first serves.
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