The start of the 105th US PGA Championship has been delayed by frost covering the Oak Hill course.
Play was scheduled to start at 12:00 BST on Thursday (07:00 local time in the state of New York), but tournament officials are now due to provide the next update around that time.
Play will begin 75 minutes after the practice facilities are opened.
Defending champion Justin Thomas is among the early starters and will play with Rory McIlroy and Collin Morikawa.
Masters victor Jon Rahm, US Open winner Matt Fitzpatrick and Open champion Cameron Smith also play together.
World number two Scottie Scheffler is out with two-time winner Brooks Koepka, while 2021 champion Phil Mickelson is among the later starters.
Fellow American Jordan Spieth, who will complete the career Grand Slam with victory at Oak Hill, plays with Ireland’s Shane Lowry and Norway’s Viktor Hovland.