![Is an underarm serve really that effective for Nick Kyrgios? Maths professor finally reveals the truth - Tennishead Is an underarm serve really that effective for Nick Kyrgios? Maths professor finally reveals the truth - Tennishead](https://tennishead.net/wp-content/uploads/2019/09/Nick-Kyrgios-underarm-serve-US-Open-2019.jpg)
Is an underarm serve really that effective for Nick Kyrgios? Maths professor finally reveals the truth - Tennishead
![Nick Kyrgios is a genius with his underarm serve. JUDY MURRAY - Tennis Tonic - News, Predictions, H2H, Live Scores, stats Nick Kyrgios is a genius with his underarm serve. JUDY MURRAY - Tennis Tonic - News, Predictions, H2H, Live Scores, stats](https://tennistonic.com/wp-content/uploads/2019/03/Nick-Kyrgios-underarm-serve-1280x720.jpg)
Nick Kyrgios is a genius with his underarm serve. JUDY MURRAY - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
![They know it's a bit of a show': smiling Nick Kyrgios serves up masterclass | Wimbledon | The Guardian They know it's a bit of a show': smiling Nick Kyrgios serves up masterclass | Wimbledon | The Guardian](https://i.guim.co.uk/img/media/c69d0f69ad9ba8e186a09f2e7d24c1af9d050a2a/0_43_3258_1955/master/3258.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=7188b75a8b8fd7a7e13311b819398603)
They know it's a bit of a show': smiling Nick Kyrgios serves up masterclass | Wimbledon | The Guardian
![Nick Kyrgios: Andy Murray's mum Judy joins Miami Open underarm serve row - 'He's a GENIUS' | Tennis | Sport | Express.co.uk Nick Kyrgios: Andy Murray's mum Judy joins Miami Open underarm serve row - 'He's a GENIUS' | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/1105228_1.jpg)
Nick Kyrgios: Andy Murray's mum Judy joins Miami Open underarm serve row - 'He's a GENIUS' | Tennis | Sport | Express.co.uk
![Nick Kyrgios serves underarm ace in Miami Open 3rd round - Tennis Tonic - News, Predictions, H2H, Live Scores, stats Nick Kyrgios serves underarm ace in Miami Open 3rd round - Tennis Tonic - News, Predictions, H2H, Live Scores, stats](https://tennistonic.com/wp-content/uploads/2019/03/Nick-Kyrgios-underarm-serve-at-the-Miami-Open-1280x720.png)
Nick Kyrgios serves underarm ace in Miami Open 3rd round - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
![Wimbledon 2019: Watch Nick Kyrgios enrage Rafael Nadal with underarm serve during second-round match | The Independent | The Independent Wimbledon 2019: Watch Nick Kyrgios enrage Rafael Nadal with underarm serve during second-round match | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2019/07/04/17/Nick-Kyrgios.jpg?width=1200&height=1200&fit=crop)
Wimbledon 2019: Watch Nick Kyrgios enrage Rafael Nadal with underarm serve during second-round match | The Independent | The Independent
![Watch: Bublik serves underarm 6 times in a game, Kyrgios takes dig at Wimbledon | Tennis News - Hindustan Times Watch: Bublik serves underarm 6 times in a game, Kyrgios takes dig at Wimbledon | Tennis News - Hindustan Times](https://images.hindustantimes.com/img/2022/07/02/550x309/New_Project_-_2022-07-02T131824.751_1656748120848_1656748126039.jpg)
Watch: Bublik serves underarm 6 times in a game, Kyrgios takes dig at Wimbledon | Tennis News - Hindustan Times
![Roger Federer throws surprise support behind Nick Kyrgios' controversial underarm serve | Sporting News Australia Roger Federer throws surprise support behind Nick Kyrgios' controversial underarm serve | Sporting News Australia](https://library.sportingnews.com/styles/crop_style_16_9_mobile_2x/s3/2021-08/roger-federer-and-nick-kyrgios_1gsopya9gdp1u1c63ypr2cabno.jpg?itok=3Vdes83z)
Roger Federer throws surprise support behind Nick Kyrgios' controversial underarm serve | Sporting News Australia
![It's a circus!' - Nick Kyrgios sends fans wild with underarm-tweener serve and showboats at Australian Open - Eurosport It's a circus!' - Nick Kyrgios sends fans wild with underarm-tweener serve and showboats at Australian Open - Eurosport](https://i.eurosport.com/2022/01/18/3290926-67298788-2560-1440.jpg)
It's a circus!' - Nick Kyrgios sends fans wild with underarm-tweener serve and showboats at Australian Open - Eurosport
![Nick Kyrgios stuns Australian Open crowd with underarm tweener serve vs Liam Broady | Tennis | Sport | Express.co.uk Nick Kyrgios stuns Australian Open crowd with underarm tweener serve vs Liam Broady | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/1551741_1.jpg?r=1642506147552)
Nick Kyrgios stuns Australian Open crowd with underarm tweener serve vs Liam Broady | Tennis | Sport | Express.co.uk
![Australian Open - 'It's happened!' - Nick Kyrgios wins set with underarm ace to stun Dominic Thiem - Eurosport Australian Open - 'It's happened!' - Nick Kyrgios wins set with underarm ace to stun Dominic Thiem - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg)/origin-imgresizer.eurosport.com/2021/02/12/2992487-61405468-2560-1440.jpg)
Australian Open - 'It's happened!' - Nick Kyrgios wins set with underarm ace to stun Dominic Thiem - Eurosport
![Why do tennis players underarm serve, is it legal and what did they say? Nick Kyrgios and Andy Murray explain shot | The US Sun Why do tennis players underarm serve, is it legal and what did they say? Nick Kyrgios and Andy Murray explain shot | The US Sun](https://www.thesun.co.uk/wp-content/uploads/2022/06/GettyImages-1157130783.jpg)