We look back at the winners of the Open Championship since 2005 and reveal what it takes to win the year's third Major

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Why You Must Break 70 in Round 1 to Win The Open

As everyone knows, you have to be at your absolute best to land any of golf’s major championship. But does that mean being at your best at certain points, or over the entirety of the tournament?

The Open Championship is different to golf’s other three Majors in the sense that the weather plays such a significant role. An over-par round might be excellent if the conditions are poor, or dreadful if you’re on the good side of the draw and conditions are benign.

Related: Open Championship preview podcast

With all that in mind, we’ve gone back over the last 11 years to see what the average score compiled by the winners in each round is.

Of course, the disparate nature of conditions and courses means some years are considerably tougher than others, but it’s interesting to take a look nonetheless.

Open Averages
The only player to shoot an over-par opening round and still win The Open since 2005 is Padraig Harrington, who shot a 74 in 2008 – five shots higher than the next-worst Thursday performance.
The key finding is that, in 11 of the last 12 years, the eventual winner has broken par in the first round. In fact, the average round-one scoring average is 67.4 – a shot less than the second-best day for scoring, Sunday, and 2.4 shots lower than the worst day, Saturday. It’s ironic that round three is often referred to as moving day. That certainly doesn’t apply in the Open.

By contrast, five champions shot rounds in the 70s on Friday, six did so on Saturday and four failed to record sub-70 scores on Sunday.

So, the formula seems pretty clear this week: shoot a good score on Thursday. If you do that, it gives you a great platform to push on, a buffer against potential bad weather and the opportunity to have a bad round and still contend in the tournament.

However, there are constraints when it comes to the bad round. Since 2005, no one has shot a 75 or above and gone on to win the Claret Jug.

Will this trend continue at the 2017 Open Championship? We will wait and see