World number one Iga Swiatek defeated Daria Kasatkina in straight sets at the WTA Finals group stage, while Coco Gauff lost to Caroline Garcia in a similarly swift match.

Swiatek extended a winning streak against opponents in the top 10 to 13 in her fifth meeting with Kasatkina during their professional careers, with Swiatek winning her fourth of them 6-2 6-3.

The Polish star defeated her Russian opponent with ease, saving all three break points and continuing to excel in a season that has seen her rise to the top of the game.

Meanwhile, Coco Gauff was defeated by Caroline Garcia 6-4 6-3.

France’s Garcia, world number six, lined up a match against Swiatek with the win against better-ranked Gauff.

It was the first time Garcia has defeated the American, having lost both of their previous meets.