Jannik Sinner sets up ATP Finals title decider against Taylor Fritz

Jannik Sinner (pictured) was all smiles after beating Casper Ruud (Antonio Calanni/AP)

Jannik Sinner swatted aside Casper Ruud to set up a title decider with Taylor Fritz at the ATP Finals.

The world number one has been in a ruthless mood in front of his home fans in Turin and maintained his record of not having dropped a set with a 6-1 6-2 victory over sixth seed Ruud.