Trixie Ortiguerra upstaged Vietnam-based two-time world junior campaigner Hather White in the girls' 15-17 50-meter backstroke in the Philippine Aquatics-organized national tryouts National Capital Region leg on Saturday at the Teofilo Yldefonso swimming pool inside the Rizal Memorial Sports Complex.

Ortiguerra submitted a time of 31.20 seconds while White did 32.27 to make heads turn in the three-day tournament serving as the final selection process for the 44-man team that will compete in the 11th Asian Age Group championships from 3 to 6 December at the New Clark Aquatics Center in Capas, Tarlac.

In another key race, veteran internationalist Jamesrey Ajido dominated the boys' 12-14 category with a win in the 200m individual medley to add to his earlier conquest in the 200 free.

Other noted junior tankers who claimed 'provisionary' status for the National Team are Arabella Taguinota in the girls 15-17 100m breaststroke (1:13.40), Chantelle Coleman in the girls 12-14 100m breast (1:19.82) and 50m breast (35.24) and Kyla Louise Bulaga in the girls 12-14 200m IM (2:35.10).