Round 2 at the Australian Open

1 of 7 Rob Griffith/AP
Tiger Woods charged into the lead at the Australian Open with a five-under 67 in the second round.
2 of 7 Daniel Munoz/Reuters
Woods got off to a quick start with a birdie at the 10th hole, his first of the day.
3 of 7 Rob Griffith/AP
He followed that with birdies at 13, 14 and 16.
4 of 7 Daniel Munoz/Reuters
Yet another birdie at 18 gave him five birdies through his first nine holes and sole possession of the lead at nine under.
5 of 7 Rob Griffith/AP
Woods had two bogeys and three birdies on his second nine.
6 of 7 Rob Griffith/AP
Australian Jason Day challenged Woods for the lead with a fine round of his own.
7 of 7 Rob Griffith/AP
Nick Watney eagled the 11th and held the lead at one point but eventually dropped down the leaderboard.