Former world no. 1 Wozniacki almost certain career has come to an end
Sabalenka wins epic battle against Anisimova to book WTA Finals title clash with Rybakina
Elena Rybakina battles past Jessica Pegula to secure spot in WTA Finals title clash
Tennis Tracker: Sabalenka trailing Rybakina in Riyadh showpiece, Djokovic in Athens action