World famous golfers, Tiger Woods, Dustin Johnson and Rickie Fowler took part in a practice session at Royal Portrush.
Here are a selection of images from the practice session - the championship officially tees off in Royal Portrush's Dunluce links on Thursday.
Tiger Woods, Dustin Johnson and Rickie Fowler take part in a practice session. Tiger Woods pictured during a practice session at Royal Portrush.Tiger Woods testing out the greens at Royal Portrush.Dustin Johnson pictured during a practice session at Royal Portrush.Tiger Woods (right) pictured talking with his caddie Joe LaCava in Royal Portrush.Dustin Johnson pictured during a practice session at Royal Portrush.Tiger Woods tees off during a practice session at Royal Portrush.Tiger Woods, Dustin Johnson and Rickie Fowler take part in a practice session.Tiger Woods tees off during a practice session at Royal Portrush.An official signals for quiet as Tiger Woods tees off during a practice session at Royal Portrush.Tiger Woods (left) and Dustin Johnson walk the fairways during a recent practice session at Royal Portrush.Dustin Johnson pictured during a recent practice session at Royal Portrush.Rickie Fowler getting to grips with the Dunluce links at Royal Portrush.