Zheng Qinwen cruised to a 6-1, 6-1 win over Jasmine Paolini to reach the semifinals of the WTA Finals on Wednesday.

Zheng Qinwen crushed Jasmine Paolini to reach the WTA Finals last four as an already-qualified Aryna Sabalenka lost to an inspired Elena Rybakina .

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.