Top seed Patrick John Tierro and No. 2 Johnny Arcilla trampled their respective rivals in varying fashions to remain on track of their keenly awaited showdown for the Palawan Pawnshop-Palawan Express Pera Padala Open crown at the Naga City Tennis Club in Cebu on saturday. Tierro, who routed Nilo Ledama, 6-0. 6-0, and held off Janji Soquino, 7-5, 6-2, in the first two rounds of the top-level event, pounced on Roel Capangpangan’s injury to score a 6-1, ret. win to seal a semis duel with third seed Vicente Anasta, who dominated Alvin Labastida, 6-1, 6-1, in the opener but struggled past Deo Talatayod, 6-3, 7-5, and fifth-ranked Fritz Verdad, 7-5, 6-2, to stay in the hunt for the top P40,000 purse. Arcilla overpowered qualifier Gabriel Riconala, 6-1, 6-2, whipped Argil Canizares, 6-0, 6-3, before disposing of Leander Lazaro, 6-1, 6-0, to arrange a Final Four clash with No. 4 Ronard Joven, who eased past Christopher Encarnacion, 6-2, 6-1, trounced Kennex Abadia, 6-3, 6-2, before surviving No. 6 Arvin Ruel, 4-6, 6-1, 4-3 (ret.) in the quarterfinals.