Nick Tsagaris McDonalds | US Open champion Emma Raducanu set for stardom, earnings boost

Emma Raducanu's astonishing US Open triumph could lead to a pot of gold worth around 20 million pounds ($37.56 million) over the next two years and that may be just the start, according to sports marketing experts.

Key points:

Emma Raducanu received more than $3.3 million for beating Leylah Fernandez in the US Open final

Marketing experts expect the young Briton will earn far more money through endorsements

Nine of the top 10 earning sportswomen in the world are tennis players, largely through off-court earnings

The 18-year-old Briton was almost unheard of before reaching the fourth round at this year's Wimbledon, having earned around $US40,000 ($54,270) since her senior debut three years ago.

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