'Devastated' Matteo Berrettini withdraws from ATP Finals

Two days after retiring from his opening match due to a left oblique injury, Matteo Berrettini announced his withdrawal Tuesday from the Nitto ATP Finals being held in home nation of Italy.

The ATP Finals are the tour's season-ending championships and pit the top eight singles players and doubles teams according to the ATP rankings. Berrettini, 25, qualified as the sixth seed out of eight.

His countryman, Jannik Sinner,