Manila, Oct. 11 -- Top seed Alberto Lim Jr. and No. 2 seed Jed Olivarez blanked their opponents to advance to the second round of the Gentry National Open Tennis Championships at Colegio San Agustin in San Jose del Monte, Bulacan on Saturday.

Lim, coming off a title victory at the Philippine Columbian Association Open last week, whipped Patrick Paumar, 6-0, 6-0, to advance against Richard Bautista, who walked over Philippe Coteron.

Olivarez also delivered a dominant performance, shutting out Kian John Sanchez, 6-0, 6-0.

He will next face John Christopher Sonsona, who rallied past Carlos Jose Austria, 4-6, 6-2, 6-2.

No. 4 John Benedict Aguilar, No. 5 John Kendrick Bona, No. 6 Ronard Joven, No. 7 Nilo Ledama and No. 8 Loucas Julian Fern...