Waugh leads Thailand Ladies Open
The 35-year-old, winner of the WPGA Championship of Europe at Royal Porthcawl in 2003, carded a five-under-par 67 to lead with China's Hong Mei Yang.
In testing conditions - high humidity and 39 degrees of heat - at the Alpine Golf and Sports Club, Waugh registered five birdies, two bogeys and an eagle three at the par-five 14th. where she pitched in from 30 yards.