Wild card Maya Joint rolled into the first tour-level semifinal of her career with a straight-sets defeat of Sofia Kenin at the Hobart International.
Elise Mertens pulled off two remarkable reflexed winners in the Hobart International quarterfinals.
Madison Keys dropped just four games against No.3 seed Daria Kasatkina in the Adelaide International quarterfinals, improving to 10-2 overall in a rivalry dating back to 2016.
No.2 seed and two-time champion Elise Mertens improved to 6-2 overall against Veronika Kudermetova after winning a topsy-turvy three-setter in the Hobart International quarterfinals.