In the Ladies' division, 2017 Thailand Open Youth Under-21 and Women's Graded Masters champion, Wong Son Ian of Macau took the early lead with 226, 1 pin ahead of Pan in second and Chou Chia-Chen of Chinese Taipei, a further 1 pin away in third.
Chou took a brief lead after the second game as Hsu Chon-Yi moved into the lead after the third game. Chou bounced back to lead the field after the fourth game with Tsai Hsin-Yi and Pan trailing in second and third.
A strong game from Pan allowed the Taiwanese to snatch pole position with 1063. Tsai settled for second spot with 1047 with Chou in third with 1039. The three Taiwanese could only finished fifth, sixth and seventh overall.
Esther Cheah, Siti Safiyah and Shalin Zulkifli of Malaysia remained in the top three positions of the Ladies' Open division after two squads have completed their first block of five games. Squad D and Squad C will end the first day of qualifying later this evening.
Photos by Terence Yaw in Bangkok.