Hazel Irvine introduces the best moments from the opening round of The Open at Royal Troon, situated on the rugged coastline of the west of Scotland.American Zach Johnson defends the title he won in a three-way play-off last year, while 2014 champion Rory McIlroy returns after withdrawing from the tournament 12 months ago because of an ankle injury.

Extensive coverage from Royal Troon of the second round at the 145th Open Championship.Friday's play was delayed by rain last year and the second round had to be concluded the following day, with American Dustin Johnson ending one shot clear of Danny Willett at the halfway stage of the tournament.