The world No. 1 already has a win over the American this week during the round robin stage.

The Norwegian reflected on his retiring idol's impact and lessons taken from Jannik Sinner's lopsided ATP Finals win.

The world No. 1 proved to have too much firepower to set up a Turin rematch with Taylor Fritz on Saturday.

The Italian was pictured on a snowy getaway as he joined fellow brand ambassador Kendall Jenner in becoming the face of this year's Gucci holiday campaign.

James Blake was the last American to do it, finishing runner-up to Roger Federer at the season-ending event 18 years ago when it was held in Shanghai.

Clothes, bags and shoes for your favorite enthusiast of the sport.

He first broke into the Top 10 when he was 18 and didn’t leave the elite—not even for a week—until he was 36. It’s BY FAR the longest Top 10 streak in ATP rankings history.

Earlier Friday in Malaga, Magda Linette posted her nation's first win over Sara Sorribes Tormo.

The American has won their last three matches—so what's stopping him from winning at least one set in Turin?

GB brushed aside Germany Friday to set up a last eight meeting with defending champions Canada.

Will both players with undefeated round robin records this week advance to the championship match in Turin?