SportKyrgios underarm serve backfires admin2 years ago01 mins Aussie star Nick Kyrgios tried an underarm serve against Felix Auger-Aliassime in the World Tennis League, but it backfired.December 20, 2022 — 12.53pmPost navigationPrevious: Argentina taunt Mbappe in chaotic World Cup celebration scenesNext: ‘Thought it was a joke’: Footy player to fight 20-year ban in court as vid emerges