By Phil Casey, PA Sport

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Tim Henman has been told to forget about winning Wimbledon until he improves his game considerably.

That is the view of three-time winner Boris Becker after the British number one's tame quarter-final exit.

Henman's dreams of becoming the first home winner at the All England Club since 1936 died at the hands of France's Sebastien Grosjean on Centre Court.

The 28-year-old lost in four sets in a match played out over two days because of rain, and admitted his chances of fulfilling his life-long ambition of winning Wimbledon were fading.

All four of the semi-finalists are younger than Henman, with 20-year-old Andy Roddick and 21-year-old Roger Federer likely to be around for years to come.

Even Mark Philippoussis, who was told he may never play again after a third operation on his left knee in the space of 14 months left him in a wheelchair for two-and-a-half months, is only 26.

And last year's winner Lleyton Hewitt, 22, is certain to be a strong challenger despite his shock first-round exit last week.

Before this year, Henman had reached the semi-finals four times in five years and he has made it into the second week for eight years in a row.

But he has never been past the fourth round in any other Grand Slam and Becker feels he has to improve his all-round game before he can challenge for a Wimbledon title.

"He shouldn't be thinking about winning Wimbledon, he should think about how to improve as a player," said Becker, who won the title in 1985, 1986 and 1989.

"This was the first time he won four matches in a row since last year's Wimbledon.

"He has to think how to improve, win other tournaments and come back here as a top-eight, top-four player."

Henman has lost to the eventual champion in each of his four semi-finals - twice to Pete Sampras, to Hewitt last year and memorably to Goran Ivanisevic in 2001 - and candidly admitted he was not good enough on the day.

But Becker believes he should have been comfortably good enough on his favourite surface of grass to beat Grosjean.

"On paper he's at least as good as a Grosjean, he's at least as good as another semi-final player here, Mark Philippoussis," added Becker on BBC2.

"He has to improve his grass-court tennis, that's what he has to practise."

Henman conceded there is plenty of room for improvement, with many pundits pointing to his remodelled serve, with pace sacrificed for greater accuracy, as a major area for concern.

The man responsible for that change, coach Larry Stefanki, will still work with Henman after Wimbledon, although he will not travel everywhere with the Briton.

"I won't travel with him every week because that's not what I want in a coach," said Henman, who split with long-time coach David Felgate two years ago.

"I think I'm at the stage where I've got a pretty clear understanding of what I need to do and I don't feel like I need somebody there 24 hours a day, seven days a week at the events that I play.

"Where he can have a bigger impact that we haven't really done before is to have quality time away from tournaments where we can actually practise.

"I think parts of my game I can keep improving. That's where you look at the young guys coming up.

"They're the ones that are setting the standards and it's my battle to keep improving.

"I think in the bigger picture in terms of my career I've still got another four or five years.

"And in all honesty, with the attention that goes with this month it sort of surprises me my lack of results at other tournaments because I think I've been pretty relaxed.

"When I go to some of these other tournaments I think I should be so much more carefree and relaxed and I think my results would be better for that.

"That's something I'll look to try and improve in the summer."