Sam Groth Says Farewell To Tennis Jan 30, 2018 Australian Sam Groth discusses his decision to retire as well as his career highlights with former World No. 1 Lleyton Hewitt in this edition of ATP World Tour Uncovered presented by Peugeot. Tags: 2018 ATP World Tour Uncovered Interviews Retirements Sam Groth Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus