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Is an underarm serve really that effective for Nick Kyrgios? Maths professor finally reveals the truth - Tennishead
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Nick Kyrgios: Andy Murray's mum Judy joins Miami Open underarm serve row - 'He's a GENIUS' | Tennis | Sport | Express.co.uk
![This trio of women's tennis players uses underhand serves to their advantage | The Daily Pennsylvanian This trio of women's tennis players uses underhand serves to their advantage | The Daily Pennsylvanian](https://snworksceo.imgix.net/dpn/e142a7c7-99c4-464c-b6a2-d3f4e3d3326a.sized-1000x1000.jpg?w=1000)
This trio of women's tennis players uses underhand serves to their advantage | The Daily Pennsylvanian
![This trio of women's tennis players uses underhand serves to their advantage | The Daily Pennsylvanian This trio of women's tennis players uses underhand serves to their advantage | The Daily Pennsylvanian](https://snworksceo.imgix.net/dpn/85f63196-afa5-4750-80ff-2cf0a691ba9b.sized-1000x1000.jpg?w=800)
This trio of women's tennis players uses underhand serves to their advantage | The Daily Pennsylvanian
Nick Kyrgios Underarm Serve Compilation | "Nick Kyrgios and the underarm serve" One of tennis' most talked-about stories over the past year... | By Tennis TV | Facebook
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