O'Hair and Villegas were at 2-under par on Wednesday, while Anthony Kim was 1-over and defending champion and fellow American Hunter Mahan was 3-over. T
The first round was to resume Thursday morning, followed immediately by the final round.
Villegas said the wind was so strong on the 10th that it blew O'Hair's cap into the ocean.
The Kiwi Challenge is a 36-hole exhibition at Cape Kidnappers for players under 30.