Britain's Johanna Konta was knocked out of the Wuhan Open in the quarter-finals, losing 6-3 6-4 to Czech 14th seed Petra Kvitova in China.
Kvitova, playing the day after her mammoth three-hour victory over Angelique Kerber, put in a dominant performance against a tired Konta.
The defeat keeps Konta 10th in the Race to Singapore, 273 points behind the final qualifying place.
Kvitova faces Romania's fourth seed Simona Halep in the semi-finals.