Recap, highlights, and quotes from Taylor Fritz's win over Alex de Minaur in the Group Stage of the ATP Finals.

TURIN (Reuters) -Italian world number one Jannik Sinner eased past Daniil Medvedev 6-3 6-4 in their final group match on Thursday, leaving Taylor Fritz to seal a place in the semi-finals of the season-ending ATP Finals after the American defeated Alex de Minaur 5-7 6-4 6-3.

World number one Jannik Sinner continued his perfect start at the ATP Finals with a dominant win over Russian Daniil Medvedev. Playing on home soil in Turin, Sinner won 6-3 6-4 to top the Ilie Nastase group with three wins from three.

U.S. Open finalist Taylor Fritz frustrated Daniil Medvedev to the point that that the Russian broke his racket and was docked a point in a 6-4, 6-3 victory for the American in the opening match of the ATP Finals.

Things couldn’t get much better for Jannik Sinner at the ATP Finals so far — despite an ongoing doping case that likely won't be decided until early next year. Sinner and U.S. Open finalist Taylor Fritz advanced to the semifinals on Thursday at the season-ending tournament for the year's top eight players.

Taylor Fritz moved closer to the semis of the season-ending ATP Finals after the American beat Alex de Minaur 5-7 6-4 6-3 in their last group game on Thursday, but he will have to wait and see if Jannik Sinner can take a set off Daniil Medvedev.

Jannik Sinner capped a perfect group stage at the ATP Finals with a 6-3, 6-4 win over Daniil Medvedev on Thursday which eliminated his Russian rival.