Bejlek is ranked 35th in the world but pulled off an impressive scalp in the fourth round. Three breaks paved the way for a 7-6, 6-4 victory.
Sabalenka made four double faults in the match and was unimpressive. The question is whether the 28-year-old's 96-week reign at the top of the world rankings will still be intact after this weekend's final - with rival Elena Rybakina still in the tournament.
