![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/72/750x445/1105228.jpg)
Nick Kyrgios: Andy Murray's mum Judy joins Miami Open underarm serve row - 'He's a GENIUS' | Tennis | Sport | Express.co.uk
![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 sends Wimbledon crowd wild with underarm serve ace vs Rafael Nadal - Watch | Tennis | Sport | Express.co.uk Nick Kyrgios sends Wimbledon crowd wild with underarm serve ace vs Rafael Nadal - Watch | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/Nick-Kyrgios-pulled-off-an-underarm-ace-against-Rafael-Nadal-1149224.jpg?r=1562260867771)
Nick Kyrgios sends Wimbledon crowd wild with underarm serve ace vs Rafael Nadal - Watch | Tennis | Sport | Express.co.uk
![The underarm serve: Nick Kyrgios and Daniil Medvedev have refined the shot Michael Chang created | Tennis News | Sky Sports The underarm serve: Nick Kyrgios and Daniil Medvedev have refined the shot Michael Chang created | Tennis News | Sky Sports](https://e2.365dm.com/20/11/2048x1152/skysports-daniil-medvedev-tennis_5175250.jpg)
The underarm serve: Nick Kyrgios and Daniil Medvedev have refined the shot Michael Chang created | Tennis News | Sky Sports
![Federer defends Kyrgios for his underarm serve against Nadal - Tennis Tonic - News, Predictions, H2H, Live Scores, stats Federer defends Kyrgios for his underarm serve against Nadal - Tennis Tonic - News, Predictions, H2H, Live Scores, stats](https://tennistonic.com/wp-content/uploads/2019/03/Kyrgios-underarm-serve.png)