Chinese Lin Zhu, the second seed, defeated Australian qualifier Taylah Preston 6-4, 7-5 to move into the second round of the Thailand Open at the True Arena Hua Hin.

Zhu, ranked No 45, will face Linda Fruhvirtova next.

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

• Alina Korneeva vs. Yafan Wang
• Thasaporn Naklo vs. Yulia Putintseva
• Anna Karolina Schmiedlova vs. Mai Hontama: tuesday
• Zhuoxuan Bai beat Chloe Paquet (Q): 7-6 (5), 6-3
• Linda Fruhvirtova beat Anastasia Tikhonova (LL): 6-3, 6-1
• Arina Rodionova beat Yue Yuan (6): 7-6 (6), 4-6, 6-3
• Tatjana Maria (4) beat Arianne Hartono (Q): 6-3, 6-1
• Katie Volynets beat Tamara Zidansek: 6-2, 6-2
• Paula Badosa beat Lanlana Tararudee (WC): 3-6, 6-4, 6-1
• Viktorija Golubic beat Laura Pigossi: 6-1, 6-2
• Xinyu Wang (3) beat Emina Bektas: 5-2 ret.
• Diana Shnaider beat Magda Linette (1): 6-4, 1-6, 6-1
• 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