World number one Aryna Sabalenka says 'I'll try my best to kick his ass' if a proposed 'Battle of the Sexes'-style match with Nick Kyrgios goes ahead.

Australian claims the women’s world No 1 would not be able to return his serve in their proposed exhibition match

Injury-ravaged Australian Nick Kyrgios says he would not even need to ‘try 100 per cent’ to beat women’s world No 1 Aryna Sabalenka.