Woods made the ideal start when play resumed in the delayed second round of the 100th PGA Championship.
The American was facing his third shot to the par-five eighth hole at Bellerive Country Club when an approaching thunderstorm forced play to be suspended on Friday afternoon.
The 14-time major winner was three under for his round to that point and carried on where he left off on Saturday morning, pitching to five feet and holing the putt to improve to four under par.
That was six shots off the clubhouse lead held by compatriot Gary Woodland, whose halfway total of 130 was a tournament record.
Playing alongside Woods, Rory McIlroy also birdied the eighth after getting up and down from a greenside bunker, his first birdie since the fourth hole of his first round on Thursday.
Woods got back to four under with a two-putt birdie on the par-five 17th, McIlroy doing likewise to reach three under.
Defending champion Justin Thomas also made birdie, his third in the last four holes, to close within four of the lead on six under.
Woods heads into the third round on four under par.
Tiger Woods tee time: When does he start PGA Championship third round?
With the event playing catch-up following the weather delay yesterday, Woods had to wait until the field finished up before discovering his tee time for the third round.
The PGA have confirmed their third-round tee times, with Woods out on the course at 12:21pm local time.
That is 6:21PM BST.
Tiger Woods at the PGA Championship
The 42-year-old is a four-time winner of this event having won the title in 1999, 2000, 2006 and 2007.
This week is Woods’ 19th appearance in the event since making his debut in 1997.
He’s played 66 rounds of the championship and has played 30 of those rounds under par, a dozen at level par and two dozen over par.
Woods lowest score was a second round 63 en route to victory in 2007 while his highest round was an opening day 77 in 2011, the very first time he missed the cut.