Wednesday’s evening session is headlined by yet another instalment of the fascinating rivalry that is developing on tour between Garbiñe Muguruza and Angelique Kerber. After both won their opening round robin matches at the 2015 WTA Finals in Singapore, the pair will meet for the fifth time this year.

Muguruza edged Lucie Safarova, 6-3 7-6(3) for her first ever win at the WTA Finals on Monday. The Spaniard picked up where she left off from in Beijing, producing a confident and ruthless display. If you like big hitting then this was the match for you! The pair traded blows in some really meaningful baseline rallies. There was one particular point in the second set, a magnificent 19-stroke rally, that Muguruza eventually came out on top (for TennisTV listeners, it was the point which Arantxa Sanchez-Vicario spent the WHOLE time talking over).

Muguruza was superb in the first set, rushing Safarova into…