World number eight Kiki Bertens is now in double figures for WTA titles after she once again proved to be a cut above in St Petersburg.
Former world number one Kim Clijsters will face a tough assignment against Garbine Muguruza in her first professional match since 2012.
Defending St Petersburg Ladies' Trophy champion Kiki Bertens overcame Ekaterina Alexandrova to set up a final against Elena Rybakina.
World number eight Kiki Bertens will be the first player to take on Kim Clijsters on the WTA Tour in over seven years next week.
Illness forced Petra Kvitova to withdraw at the St Petersburg Ladies Trophy, while defending champion Kiki Bertens reached the semi-finals.
Petra Kvitova had to slog her way into the quarter-finals in St Petersburg but Kiki Bertens was in scintillating form.
Johanna Konta was the biggest name to lose in St Petersburg, where Belinda Bencic booked her place in the last eight.
Garbine Muguruza has joined the field at the Dubai Tennis Championships, but Bianca Andreescu has pulled out of the WTA Tour event.
Second seed Petra Martic is out in Hua Hin, while Marketa Vondrousova suffered another first-round loss in Russia.
Maria Sakkari saved a match point before reaching the last 16 of the St Petersburg Ladies Trophy along with Elena Rybakina.