THE OPEN Round 1 full video highlights

American Cameron Young leads the field by two shots after the opening day of the 150th Open Championship at St.Andrews.

Rory McIlroy posted seven birdies and one bogey on his way to an opening round 66 to sit just two shots behind Young.

The best of the Australians was Cameron Smith who carded a 5-under par 67 to be right in contention early in the tournament.

Tiger Woods struggled with the short stick in the afternoon to post a disappointing 6-over par 78.