Carding a 13 on one hole is bad enough, but when that gets revised to 14 you know you are having a bad day. Just ask David Duval.
It was not the start he envisaged at The Open and Rory McIlroy concedes he got too many basics wrong at Royal Portrush on Thursday.
There was a fine start to the Open Championship for Shane Lowry, who explained how a heart-to-heart with his coach helped him score 67.
An expectant crowd came to see Rory McIlroy tame Royal Portrush but the course had other ideas as he laboured to an eight-over 79.
Four-time major winner Rory McIlroy looks set to miss the cut at The Open on home soil after a horror first round at Royal Portrush.
It is the stuff of nightmares for any golfer, a single-hole score of 13 that destroys an entire round, and it happened to David Duval.
The honour of the opening tee shot at the 148th Open Championship went to Darren Clarke, who carded a 71 on Thursday.
He was met with a raucous reception on the first tee, but Rory McIlroy endured an opening-hole meltdown at Royal Portrush.
For the first time in three years there was a hole-in-one at the Open Championship as Emiliano Grillo aced the 194-yard par-three 13th.
Royal Portrush plays host to the Open Championship for the first time in 68 years, with Darren Clarke teeing off the action on Thursday.
Conditions at Royal Portrush on Saturday were offering hope of a day of low scoring for round three of The Open.
It was a frustrating day for Brooks Koepka, who is hoping for a favour from the weather at Royal Portrush in the last round of The Open.
The home fans were rooting for Shane Lowry at Royal Portrush on Saturday and he delivered in spectacular fashion.
It was another day of high drama at Royal Portrush and we bring you some quirkier lines from round three of The Open.
Winning The Open was looking a task beyond even the skills of Brooks Koepka early in round four at Royal Portrush.
A stunning blemish-free third round sent Shane Lowry four shots ahead of Tommy Fleetwood with one round to play at The Open.
The battle for supremacy at Royal Portrush was cranking up a notch as Shane Lowry edged ahead in round three of The Open.
The forecast for Sunday at Royal Portrush looks bleak and Danny Willett is bracing himself for wind and rain on the final day of The Open.
Shane Lowry holds a four-shot advantage over Tommy Fleetwood, who does not anticipate stormy conditions affecting the leader's performance.
Tommy Fleetwood will have to go some to chase down Shane Lowry and we profile the Open contenders ahead of Sunday's play in Portrush.