Erin Choi's 2-over 74 leads Bruins in final round.
Law and Ridderstrom post scores of 71 (-1) to lead UCLA.
Bruins are just eight shots behind the leaders.
Golfers rose to No. 2 in polls after success in the Liz Murphey Collegiate Classic.
Bruins win 3-2 for first match play victory in the tournament.