The WTA believes that tennis can contribute to change in Saudi Arabia. Human rights groups say that is not conversant with reality

BBC Sport looks at how the WTA Finals, which are being held in Saudi Arabia for the first time, are unfolding - and what the reaction has been.

Saudi Arabia has already staged the Next Gen ATP Finals - an event for players aged 20 and under - and several exhibitions, including the recent Six Kings Slam. But the WTA Finals is the first time top players have headed to the Kingdom to compete as part of the professional tennis tour.

The sellout crowd was bathed in purple light and the screens ringing the stadium flashed a countdown to a clubby beat. The latest conquest in Saudi Arabia’s unstoppable advance into the world of sports — soccer,

Coco Gauff earned $4.805m, the biggest payday at a professional tennis tournament, for her triumph over Olympic gold medallist Zheng Qinwen in the WTA Finals

In a country that is often criticized over its treatment of women, the tennis world debates the pros and cons of holding the elite women’s tournament there.

Is it right for the WTA to hold their 'crown jewels' Finals in Saudi Arabia?

Coco Gauff became the youngest WTA Finals winner since Maria Sharapova in 2004 on Saturday at age 20, and the first American woman to capture the year-ending tournament since Serena Williams in 2014.

Coco Gauff pays attention to what people say about her online and occasionally takes pleasure in clapping back.