The underarm serve: So what happens next?
Premium in-depth article
And it's FREE
To read this quality tennis journalism we are asking you to register for free with Tennishead
(Already registered? Login)
All new registrations receive a free subscription to 'The Bagel', our fortnightly exclusive newsletter from the team behind Tennishead magazine
When Nick Kyrgios, Monica Niculescu or Alexander Bublik prepare to serve, opponents can never be sure what to expect. As Tennishead reports, the underarm serve has become an increasingly popular weapon for some modern-day players