Coco Gauff earned her second career win over Iga Swiatek on Tuesday, winning in straight sets to reach the semifinals of the WTA Finals.

The season-ending event sees Sabalenka and Swiatek battle for year-end world No. 1 for the second year in a row

Coco Gauff beat defending champion Iga Swiatek 6-3 6-4 at the WTA Finals in Riyadh on Tuesday to reach the semi-finals and ensure Aryna Sabalenka would finish the year as world number one.

However, Gauff has played at a much higher level since the US Open and shaking up her coaching staff. On Sunday, Gauff defeated Pegula in straight sets during their Group Stage match at the WTA Finals: 6-3, 6-2.

(Reuters) -World number one Aryna Sabalenka secured a semi-final berth at the WTA Finals by beating Italian fourth seed Jasmine Paolini 6-3 7-5 on Monday to stay unbeaten in the purple round-robin group.

Aryna Sabalenka reached the semifinals of the WTA Finals with a 6-3, 7-5 win over Jasmine Paolini on Monday for a second straight victory in the group stage.

Aryna Sabalenka is the first player to secure a semi-final spot at the WTA Finals but her victory over Jasmine Paolini spells the end of the road for Elena Rybakina.

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