Emma Raducanu became an instant darling of the tennis world on her run to the fourth round of Wimbledon earlier this year, but few would have predicted her mind-boggling run through qualifying and the tournament proper to win the US Open.

The now British number one has become a Grand Slam champion at the age of 18 years and 302 days in what was just her second appearance in a major, ending Great Britain's wait for a first female winner since Virginia Wade in 1977.

Raducanu beat Leylah Fernandez in the Flushing Meadows showpiece in what was the first teenage final since 1999 when Serena Williams locked horns with Martina Hingis in New York.

However, despite her tender age and the number of records she broke on Sunday, Raducanu is not even close to being the youngest winner of a Grand Slam.

Here is a list of the top five youngest Grand Slam winners.

Youngest grand Slam Winners of All Time

5) Michael Chang - 17 years, 110 days

Michael Chang made his mark in history at the French Open in 1989 and he is the only male to have made the top five, edging out Arantxa Sanchez Vicario by 64 days, with the Spaniard remarkably victorious at the same tournament.

Chang overcame Pete Sampras and then world number one Ivan Lendl en route to the final, coming from two sets down to win in five against Andy murray's former trainer. And in a classic to-and-fro finale, Chang outlasted the great Stefan Edberg 6-1 3-6 4-6 6-4 6-2 to win his first and only major, not long after his 17th birthday.

4) Maria Sharapova - 17 years, 75 days

Young winners in the women's game have been more regular and many have gone on to be multiple Grand Slam success stories, unlike the aforementioned Chang.

Maria Sharapova has five to her name with an eight-year gap between her first and last, and she has shown her versatility by winning each of the big four at least once.

It was at Wimbledon in 2004 that Sharapova first made her major mark as a 17-year-old, upsetting the odds to defeat world number one Lindsay Davenport in three sets in the semi-finals, coming from a set down before winning the decider 6-1.

And on centre court in the showpiece, Sharapova surprised everyone by blitzing another American powerhouse in Serena Williams, ultimately cruising through to the title with a 6-1 6-4 success.

3) Tracy Austin - 16 years, 270 days

Tracy Austin may not have been the first teenager to win a major in her era, with the likes of Bjorn Borg, Evonne Goolagong Cawley and Chris Evert having opened their accounts before hitting 20, but the Amercian certainly lowered the bar markedly when she won the 1979 US Open when aged 16 years and 270 days.

Austin beat Martina Navratilova 7-5 7-5 in the semi-finals before overcoming Chris Evert 6-4 6-3 to announce herself as a major force in the women's game.

The diminutive right-hander was able to win a second US Open title two years later but ultimately a succession of injuries and a serious car accident cut her career short.

2) Monica Seles - 16 years, 189 days

It did not take long for Monica Seles to make her mark on the women's game as she climbed up to number six in the world by the end of her first year as a professional in 1989.

The following year is when she arguably took ccontrol of the women's game, winning her first Grand Slam at the 1990 French Open, aged 16 years and 189 days.

Seles proved too strong for the great Steffi Graf in the Roland Garros final, winning 7-6 6-4, which started a run of eight victories in the next 12 Grand Slam tournaments.

However, a stabbing attack in 1993 forced her out of the game for more than two years, and, following her eventual comeback, she won just one more Grand Slam title at the 1996 Australian Open before her retirement.

1) Martina Hingis - 16 years, 117 days

Martina Hingis holds the record for the youngest ever winner of a Grand Slam tournament with her victory at the 1997 Australian Open, barely breaking sweat as she powered through to the final before thrashing Mary Pierce 6-2 6-2 to lift the trophy.

Remarkably, that was the first of three Grand Slam victories that year, only missing out at the French Open, before winning the Australian Open again the following year.

Only one more Grand Slam singles title was claimed by Hingis - again at the Australian Open in 1999 - before injuries took their toll and forced her early retirement.

However, after also enjoying doubles success during her prime, Hingis returned to the court and earned more Grand Slam glory later in her career, with two women's doubles titles and two mixed doubles titles in 2015, with three more doubles triumphs coming in 2017.

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