'Now I know how it feels to play me' - Sabalenka battles into Berlin semis

Aryna Sabalenka advanced to the semi-finals of the Berlin Open after a hard-fought victory over Nikola Bartunkova. The world number one described the experience as giving her insight into what it feels like to face her, suggesting Bartunkova pushed her to her limits. Sabalenka will now compete in the last four of the tournament.