Australian amateur beats Jannik Sinner en route to AU$1m prize in thrilling One Point Slam
The New South Wales state champion upset Sinner, Amanda Anisimova and Pedro Martinez, before beating Joanna Garland in the final to land the top prize
The New South Wales state champion upset Sinner, Amanda Anisimova and Pedro Martinez, before beating Joanna Garland in the final to land the top prize