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Jessica Pegula was dumped out of the tournament by world No. 361 Lois Boisson
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Tennis' richest player and world No. 3 Jessica Pegula has been dumped out of the French Open in a shock result on Monday afternoon.
French wildcard Lois Boisson produced one of the biggest upsets in Roland Garros history by stunning third seed Pegula to reach the quarter-finals.
The 22-year-old world No. 361 came from behind to defeat the American 3-6, 6-4, 6-4 in her first-ever Grand Slam main draw appearance.
Boisson becomes the first French wildcard to reach the quarters in Paris since Mary Pierce in 2002.
The victory came after a marathon two hours and 40 minutes on Court Philippe-Chatrier, with Boisson sealing the win with a thunderous winner down the line before letting out a victorious roar.
Jessica Pegula reacts during her fourth round match against France's Lois Boisson
Reuters
Pegula has eight career titles to her name, earning her close to £15million in prize money, but the 31-year-old is one of the heirs to an estimated £5billion fortune.
The tennis star's father, Terry, owns NFL franchise the Buffalo Bills and NHL team the Buffalo Sabres, boasting a net worth of over £5.4billion.
He initially made his money in the oil and gas industry before moving into sports.
French wildcard Boisson suffered an ACL tear a week before Roland Garros last year and had to miss her home Slam, making this her debut year in the tournament.
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Lois Boisson roared with emotion after winning her fourth round match against Jessica Pegula
Reuters
Roland Garros effectively deferred her entry until 2025, giving her a chance which she has seized emphatically.
Incredibly, she had played only two tour-level matches before this fortnight, winning one against British No. 5 Harriet Dart.
Her journey from injury to the quarter-finals represents a remarkable comeback for the French No. 25.
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Pegula quickly won the opening set, breaking Boisson three times to take early control of the match.
However, encouraged by the 15,000-strong Court Philippe-Chatrier crowd, the wildcard forced a decider and recovered after losing an early break lead.
Boisson's heavy spin on her forehand and feel around the net completely discombobulated the flat-hitting Pegula, who was pushing and poking the ball around, devoid of all rhythm or aggression.
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Lois Boisson shakes hands with Jessica Pegula after winning her fourth round match
Reuters
In a lengthy game, Boisson converted her fourth break point to serve for the biggest win of her career.
The 22-year-old had to dig deep to secure the shock victory, fending off four break points before sealing the win.
In tears during her court side interview with former French No. 1 Alize Cornet, Boisson said: "To play on this court with such an atmosphere was incredible.
"I believed in myself before the match, I knew what I could do even if she is super strong. I gave everything I had and it worked, it is incredible."
In Wednesday's quarter-final, Boisson will face 18-year-old Russian sensation Mirra Andreeva.
The victory provides a rare day of jubilation for French women's tennis, which is in a wretched state with nobody in the top 70 world rankings.
As the last French player standing in either singles draw, Boisson has certainly changed the narrative around her career.