Kazakh Yulia Putintseva, the No 7 seed, reached the last eight of the Thailand Open by beating Swiss Viktorija Golubic 7-6, 7-6 (1) at the True Arena Hua Hin.

Putintseva, ranked No 70, will play Chinese Xinyu Wang, the No 3 seed, next.

The Kazakh won against Thai wildcard Thasaporn Naklo (5-7, 6-3, 6-2) ahead of her victory.

In the previous round of the Hua Hin tournament, Golubic, ranked No 71, defeated Brazilian Laura Pigossi (6-1, 6-2).

Hua Hin WTA 250, other second-round results (True Arena Hua Hin, hard, USD 267.082, most recent results first):

• Arina Rodionova vs. Zhuoxuan Bai
• Linda Fruhvirtova vs. Lin Zhu
• Anna Karolina Schmiedlova vs. Yafan Wang
• Katie Volynets vs. Tatjana Maria
• Xinyu Wang beat Nao Hibino: 7-5, 6-4
• Diana Shnaider beat Paula Badosa: 6-2, 3-4 ret.
• Dalma Galfi (Q) beat Xiyu Wang (5): 6-4, 3-6, 7-5