WTA Finals semis: Former champs Sharapova and Kvitova clash

Despite that, Muguruza’s rise in the game has been astonishing, having got to number two in the world and being runner-up at Wimbledon this year. The 22-year-old has also won each of her last four meetings with Radwanska, having lost the first two, with three of them being in three sets so back her at a more enticing 11/4 price to triumph 2-1.

Venezuelan-born Muguruza is also the 7/4 tournament second-favourite, with Radwanska priced out at 11/2.

Maria Sharapova v Petra Kvitova

In the second semi, and perhaps the biggest in terms of trophies won – Sharapova with five Grand Slams and Kvitova two – two former WTA Finals champs go up against each other.

The Russian goes into this match as the 2/5 odds-on favourite after her 100 per cent start to the tournament and her 6-3 head-to-head record over the Czech, but she lost their last meeting which was in this event last year.

Kvitova (2/1) thrashed Sharapova 6-3 6-2 in the group stage on that occasion, and is 4/1 to win by that scoreline once more, but only managed to scrape through to her third semi with a little help from Lucie Safarova who beat Angelique Kerber.

If you fancy the Russian superstar to go all the way and win her first WTA Finals title since 2004, she is the 11/10 favourite, while 2011 champion Kvitova is the outsider at 6/1.

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Coral’s top tip: Murguruza has beaten Radwanska in their last four meetings, with three of them being in three sets, so back her to win 2-1 again at 11/4.