Louis Oosthuizen enters the final round with the lead — and no experience of being in this position.

Paul Casey, who enters the final round just four shots back, sees his hopes land in the gorse bush with a 75.

Martin Kaymer of Germany, who entered the final round in third place, also drops from contention with a 74.

Tiger Woods, the three-time defending champion, shoots a final-round 72 to tie for 23rd.

Louis Oosthuizen's final-round 67 is more than enough to win.

Who knows what might have been for Rory McIlroy, who shot 68 Sunday and finished tied for third despite a second-round 80.

Louis Oosthuizen celebrates on the 18th green with his wife Nel-Mare and baby.

Louis Oosthuizen gives South Africa its fifth victory in a major since 2001.

Louis Oosthuizen doesn't squander his third-round lead and is up by four shots heading to the final round.
 

Paul Casey is just four shots back after shooting a 67.
 

Martin Kaymer of Germany is at 8 under after a third-round 68.
 

Henrik Stenson, watching his approach shot on the 13th hole, is in a three-way tie at 7 under.
 

Alejandro Canizares of Spain tallies his second straight 71 to sit eight shots back of the lead.
 

Lee Westwood shoots 71 for the second straight day and is in a three-way tie at 7 under.

Dustin Johnson's 69 vaults him to seventh on the leaderboard.
 

Steve Stricker, coming off his second straight John Deere Classic title, finds the going much tougher at St. Andrews. He's at even par after three rounds.

John Daly doesn't tone down his outfit a bit, but his game doesn't make as much noise as he shoots 74 to drop to even par.

Native son Colin Montgomerie can't quite hack it as his third-round 74 leaves him 3 over.

Caddie Steve Williams doesn't have any better advice for Tiger Woods, who shoots his second straight 73 and is 3 under.

Peter Hanson drops down the leaderboard as he struggles in the third round.

Phil Mickelson manages a third-round 70 but is still far back at 2 under.

Tiger Woods plays his approach shot to the seventh green.

Miguel Angel Jimenez struggles to remain in the top 10.

Rory McIlroy encounters some more tough conditions after his second-round 80, but manages a 69 to keep his slim hopes alive at 4 under.

Ian Poulter sees his hopes go by the wayside with a third-round 76.

Jeff Overton manages a 72 to sit at 2 under.

Sergio Garcia shoots 70 to get to 4 under and give himself a chance in the final round.

The second round of the British Open at St. Andrews got off to a beautiful start.

Alejandro Canizares, at 5 under through 12 holes, was moving up when the second round was suspended at the end of Friday.

Stephen Gallacher of Scotland was at even par through 11 holes when his day ended.

Rory McIlroy, who set the British Open on its ear with an opening-round 63, implodes with an 80 on Friday.

Tiger Woods and playing partner Justin Rose are close only in physical proximity after the second round, as Woods is 8 shots off the lead after a 1-over 73, while Rose is 15 back after shooting a 77.

Tom Watson, who made an amazing run at the title last year, struggles to 4 over after two rounds.

There was plenty of magic in the air at the British Open in July.

Surprise contender John Daly doesn't tone it down Friday, but he, too, was bedeviled by the wind and tumbled to a 76.

Daly's outfit wouldn't be complete without a cigarette — and he usually needed one or two, the way he played this year.

Tiger Woods battles the wind to finish at 1-over 73, 8 shots off the lead.

Despite sunny skies mixed with puffy white clouds, officials decided the Old Course was unplayable because the wind was gusting to 41 mph, causing balls to wobble on some of the exposed greens, especially those along St. Andrews Bay. Play was suspended 1 hour, 5 minutes at midafternoon.

Phil Mickelson bounces back from his first-round struggles to card a 1-under 71, leaving him at even par and 12 shots back.

Sergio Garcia shoots his second straight 71 to sit 10 shots back.

Ricky Fowler, who opened awfully with a 79, bounces back with a 67 to sit at 2 over — still 14 shots back.

Louis Oosthuizen of South Africa is the surprise leader at 12 under after shooting 67.

Tiger Woods celebrates with England's Justin Rose after getting a birdie on the 9th hole during the first day of the British Open.

English golfer Justin Rose watches his shot from the 10th tee during his opening round on the first day of the British Open.

Rory McIlroy of Northern Ireland walks across the Swilken Bridge on the 18th hole during the first round of the British Open.

A tee marker is seen during the first round of the British Open.

Tiger Woods smiles on the fifth hole during the first round of the British Open.

Tiger Woods (R) and his New Zealand caddie Steve Williams (2nd R) stand on the second tee during his opening round.

Ian Poulter of England reacts to a missed putt on the second green during the first round of the British Open.

John Daly acknowledges the crowd after a birdie on the 10th hole.

Tom Watson tees off on the second hole during the first round of the British Open.

Rory McIlroy of Northern Ireland tees off on the second hole during the first round of the British Open.

Tiger Woods tees off on the second hole during the first round.

The clubhouse is seen during the first round.

Course workers clear water from the first and 18th fairway during the first round of the 139th Open Championship on the Old Course, St Andrews.