Nothing underhand about underarm serve, says Murray | Reuters
Nick Kyrgios underhand serves vs Rafael Nadal at Wimbledon (video) - Sports Illustrated
The underarm serve: So what happens next?
Watch: Andy Murray pulls off rare underarm serve - and it very nearly backfires
How to Underhand Serve like Kyrgios (tennis lesson) - YouTube
How to hit an underhand serve drop serve tennis under arm - YouTube
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
Classy underarm serve by Mr. Monfils 🤌 [source TennisTV] : r/tennis
Andy Murray's Mother is impressed with Kyrgios Arm Serve | Tennis Shot
Rafael Nadal to blame for underarm serve trend, says Nick Kyrgios - Tennishead
The significance of the underarm serve in lawn-tennis
Viewpoint: The Underhand Serve Tactic
2019: Year of the Underarm Serve - YouTube
Andy Murray defends use of cheeky underhand serve in Wimbledon opener against James Duckworth | CNN
Tennis 2022: Nadal's brutal response to cheeky Kyrgios act