Chinese Xinyu Wang, the No 3 seed, reached the second round of the Thailand Open when American Emina Bektas retired on Monday at the True Arena Hua Hin.

Wang, ranked No 40, led 5-2 when Bektas, ranked No 93, pulled out on Monday at the True Arena Hua Hin.

The 22-year-old Chinese will play Japanese Nao Hibino next.

Hua Hin WTA 250, other first-round matches (True Arena Hua Hin, hard, USD 267,082):

• Dalma Galfi (Q) beat Ajla Tomljanovic (WC): 6-3, 6-0
• Nao Hibino beat Kamilla Rakhimova: 7-6 (4), 6-0
• Xiyu Wang (5) beat Qiang Wang: 6-1, 6-1
• Taylah Preston vs. Lin Zhu
• Linda Fruhvirtova vs. Claire Liu
• Zhuoxuan Bai vs. Chloe Paquet
• Yue Yuan vs. Arina Rodionova
• Arianne Hartono vs. Tatjana Maria
• Tamara Zidansek vs. Katie Volynets
• Alina Korneeva vs. Yafan Wang
• Anna Karolina Schmiedlova vs. Mai Hontama
• Thasaporn Naklo vs. Yulia Putintseva
• Lanlana Tararudee vs. Paula Badosa
• Laura Pigossi vs. Viktorija Golubic
• Magda Linette vs. Diana Shnaider