【费德勒】取消二发，统治力将会更强？If Tennis Eliminated The Second Serve Would Dominate Even More

[视频作者] peRFect19810808

[视频时长] 3:43

[视频类型] 运动综合

https://www.youtube.com/watch?v=t4gWltnmVNo Infosys ATP Beyond The Numbers and ATP World Tour Uncovered presented by Peugeot show how Roger Federer fares during his first serves and during first-serve returns. Photo: Rob Carr/Getty Images.