Photos from Samsung World Championship

1 of 6 Reed Saxon/AP
Jiyai Shin, who won last week in Arkansas, has a share of the lead at six under par.
2 of 6 Donald Miralle/Getty Images
Defending champion Paula Creamer is three stokes back after a first-round 69.
3 of 6 Donald Miralle/Getty Images
also has a share of the lead after an opening 66.
4 of 6 Denis Poroy/AP
made only one bogey, on the first hole, for a first-round 67.
5 of 6 Donald Miralle/Getty Images
eagled the par-5 sixth hole. She's one stroke back.
6 of 6 Mark Ralston/AFP/Getty Images
shot a one-under 71 at Torrey Pines.