On course for Singaporean
Tan kept a strong pace with 216, 197 and 208 until a lowly final game of 162, which made her slip down to fourth with 3360. Guerra ended with a strong 256 to snatch pole with 3442 while England's Fiona Banks took second spot with 3409. Filipina, Apple Posadas finished third with 3400, 40 pins ahead of Daphne.
Despite the glitch, the Singapore stayed on course to challenge for the title by making the Top 24 cut.
With the two squads completed, Gye will lead 23 other women into the Top 24 round followed by Guerra in second and Wendy in third. The final 24th spot surpringly went to India's Prathima Hedge with an average of 193.19.
Two men squads will be contested later today in which Singapore's Jonathan Ang will take part. Ang was 58th position overall after two blocks and 158 pins off the 24th placed finisher. It will be a tall order for him to make the Top 24 cut.
Detailed scores: Women's Third Block.