Michael Campbell is set to take a break from competitive golf, ruling out participation in next month's US Open at Pinehurst.
The New Zealander won the event in 2005 when he pipped Tiger Woods to the trophy to clinch a memorable one-shot victory.
Campbell went on to win the HSBC World Match Play Championship in the same year with that representing his last professional triumph.
Campbell has participated in every US Open since his triumph in 2005 but has failed the make the cut in all but one of those appearances.
But the 45-year old has revealed he will be taking a break from the sport to deal with issues regarding his private life after announcing he and his wife have split up.
He has been out of action since missing the cut in an event in Abu Dhabi in January. Campbell has undergone ankle surgery and has recently returned to practice. However, he admitted that he is not "physically or mentally ready to play tournament golf".
Campbell has not put a date on his break which means that he will also miss next week's BMW PGA Championship at Wentworth.
On his website Campbell wrote a statement saying: "Sorry I have been off the radar since playing at the 2014 Abu Dhabi HSBC Golf Championship.
"On a personal note, I have some sad news. Unfortunately, Julie and I have separated.
"Our children remain our number one focus as we move forward - as parents first and foremost while remaining both friends and business partners.
"As I do not feel that I am either fully physically or mentally ready to play tournament golf at the highest level, after much deliberation I have decided not to play in the BMW PGA Championship, the US Open or the events in between.
"I want to get back to my best and I believe this is the best strategy to achieve this."
Campbell became only the second player from New Zealand after Bob Charles to win a major when he won at Pinehurst nine years ago.
But his career has taken a turn for the worse since 2005 and Campbell has only made five cuts on the European Tour last season.
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