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A severe weather alert in southern Spain leads to the opening tie of the Billie Jean King Cup between Spain and Poland being postponed.

When a beluga whale turns up wearing a harness printed with the words 'Equipment St Petersburg', speculation breaks out that he may be involved in Russian spying activity.

A rejuvenated Daniil Medvedev defeats Alex de Minaur 6-2 6-4 in his second match at the ATP Tour Finals.

Casper Ruud stuns an out-of-sorts Carlos Alcaraz to begin his ATP Finals campaign with a straight-set victory in Turin.

Taylor Fritz defeats an irate Daniil Medvedev in straight sets in the opening match of the ATP Finals.

Barbora Krejcikova criticises a journalist's "unprofessional commentary" after he made a remark about her appearance on air.

Coco Gauff shows supreme determination to come from behind against Zheng Qinwen to win the season-ending WTA Finals.

Britain's Cameron Norrie is unable to finish a frustrating season on a high as he loses to France's Benjamin Bonzi in the Moselle Open final.

Jannik Sinner is looking to cap a superb year with a first ATP Finals triumph. Here's everything you need to know about the event - and pick your tip for the title.

Zheng Qinwen continues her breakthrough season with victory over Barbora Krejcikova to reach the final of the season-ending WTA Finals.