By Mike Sinclair, PA Sport

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The Williams sisters played like a million dollars - and earned more than that - as they underlined their domination of women's tennis at Wimbledon 2002.

New champion Serena and runner-up Venus, who had won the title for the previous two years, destroyed the field in the singles and teamed up to win the doubles in straight sets as well.

The measure of their superiority over the rest of the women's game was shown by the fact that Amelie Mauresmo and Justine Henin could total only eight games between them as they fell to Serena and Venus respectively in the semi-finals.

Former champions Martina Navratilova and Chris Evert are in no doubt about how far the Williams sisters are ahead of the field.

Navratilova says they have "raised the bar" in the women's game and Evert could only urge their rivals to get out on the track and go down the gym if they even want to hope to compete.

Martina Hingis and Lindsey Davenport have fallen by the wayside injured, Jennifer Capriati has dropped back after following up last year's success by retaining the Australian Open this year, Henin admitted her semi-final hopes depended not on her own performance but on how Venus played and Mauresmo, so dominant against Capriati, was simply blown away by Serena.

It is simply a two-horse race but the sisters are taking it all in their stride and the bad news for their rivals is that they are showing no inclination to get carried away by their success and - ominously - want to get even better.

"We've had a great six weeks with the French Open and Wimbledon but we realise that doesn't make a career. We want to just keep our level up at the level we're playing now, and also to improve," said Venus.

Her advice for the next wave of 15 and 16-year-old players who may aspire to knock them off their perch is: "Just practice a lot, run a lot on the court. I think that's the best suggestion when you're that young."

But the Williams sisters intend to stay ahead of the field and dominated the women's game for some time yet.

Asked how long they would have to savour their Wimbledon glory before turning their attentions to their next tournament, Venus countered: "We're already looking ahead." Serena weighed in: "We have plenty of time in the future to savour it.

"Right now people are trying to get better and improve their games so we're going to have to do something else."

So far there has been no repeat of the US Open success which produced a phone call to Venus from then president Bill Clinton, who for his trouble was taken to task over the amount of tax she pays, but Serena was not altogether joking when she said: "They'll be calling us too much at this rate."