Elena Rybakina acknowledges Aryna Sabalenka has been lights out over the last few months but also warns the Belarusian that she is planning to "make it difficult" for her and potentially spoil her world No.

In the Akron WTA Finals Guadalajara Round Robin on Monday, No. 5 Elena Rybakina takes on No. 7 Qinwen Zheng in a clash featuring two of the top 10 players in the world.Rybakina was not able to

Zheng Qinwen improved her chances of advancing to the semi-finals at the WTA Finals with a 7-6 (7/4), 3-6, 6-1 victory over world number five Elena Rybakina in Riyadh on Monday.