British number one Johanna Konta continued her good start to 2017 by reaching the semi-finals of the Shenzhen Open in China.
The world number 10 defeated Kristyna Pliskova of the Czech Republic, ranked 60th, 6-4 6-7 (11-13) 6-3.
Her next opponent will be another Czech, Katerina Siniakova, who beat Serbian Nina Stojanovic 6-3 6-4.
Konta is now the highest-ranked player left in the event after world number three Agnieszka Radwanska's exit.
The Polish top seed was beaten 6-2 3-6 6-0 by American world number 39 Alison Riske, who will face Camila Giorgi of Italy in the last four.