The German cruised past Hubert Hurkacz, 6-2, 6-4, before Medvedev saved two match points to deny Jannik Sinner, 6-0, 6-7 (5), 7-6 (8), on Thursday.

In a rare overlap, the tours’ Finals share space through the start of the week, ending with the guarantee of an all-Spanish WTA Finals semifinal.

The Nitto ATP Finals moves to Italy and will host a septet of young contenders aiming to unseat the 20-time major champion.

Also, Paula Badosa makes her Top 10 debut on the WTA rankings and Emma Raducanu breaks into the Top 20.

The Serb broke another seemingly unbreakable record with a grueling semifinal win over the Pole in Paris on Saturday, clinching his seventh career year-end No. 1 finish.

The Pole secured the last berth in the tour's season-ending championships by defeating James Duckworth, a day after the Norwegian topped Marcos Giron to secure passage to Turin.

Both Indian Wells champions—Norrie and Badosa—rise from outside the Top 25 to inside the Top 15 this week.

On the 30-year-old's comeback win over Hubert Hurkacz.

“It’s like going from 100 m.p.h. to zero with those three out,” says Hubert Hurkacz’s coach Craig Boynton, about the absence of Roger Federer, Rafael Nadal and Novak Djokovic.

On the women's side, Ons Jabeur faces Anett Kontaveit, while Paula Badosa looks to take down Angelique Kerber.