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French Open Shock Waves - Sinner Stunned by Cerundolo as Roland Garros Betting Market Blown Wide Open

john-eastwood
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Last updated: Thu 28 May 2026 15:09
In a major 2026 French Open headline, world No.1 Jannik Sinner suffered an unprecedented defeat in the second round, losing to Argentina’s Juan Manuel Cerundolo after leading by two sets and a break. Physical struggles and the Parisian heat contributed to Sinner’s collapse. With defending champ Alcaraz out due to injury, Sinner’s exit shakes up both the draw and betting odds. Zverev, Djokovic, and Ruud are now the main contenders, with bookmakers rapidly recalibrating the odds in response to the new field.
John Eastwood 28 May 2026
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  • Jannik Sinner has been eliminated by Juan Manuel Cerundolo at the French Open
  • Sinner’s exit changes the betting odds with Alexander Zverev the new favourite
Jannik Sinner
Jannik Sinner lost to Juan Manuel Cerundolo in the 2026 French Open second round (Getty)

The 2026 French Open has witnessed one of the most staggering upsets in modern tennis history. World No.1 and overwhelming favourite Jannik Sinner has been knocked out in the second round by Argentina's Juan Manuel Cerundolo.

Sinner entered Roland Garros in seemingly invincible form, carrying a historic streak that included all five ATP Masters 1000 titles this year.

With defending champion Carlos Alcaraz sidelined due to a wrist injury, the Italian appeared completely unchallenged on his quest to complete a career Grand Slam.

Instead, Court Philippe-Chatrier became the stage for a sporting tragedy for Sinner, and a career-defining triumph for Cerundolo, who fought back to win a five-set thriller 3-6, 2-6, 7-5, 6-1, 6-1.

How Did it Happen?


For the first hour and a half, the match followed the script with Sinner firing on all cylinders, cruising to a two-set lead and rapidly pressing ahead to a 6-3, 6-2, 5-1 advantage.

He was one game away from a routine victory when the wheels catastrophically fell off. Serving for the match, Sinner hit an unexpected physical wall.

The Parisian heat began to take a visible toll and after dropping three consecutive games to let Cerundolo back into the third set at 5-4, Sinner called for an emergency medical timeout.

When Sinner returned to the court after a 10-minute medical evaluation, he was a shadow of his usual self. His first-serve percentage plummeted and his baseline depth vanished, allowing the Argentine to dictate play.

Cerundolo reeled off a staggering nine consecutive games on his way to an historic upset.

2026 French Open Winner Odds


Sinner’s departure has sent shock waves through bookmakers. The winner market has flipped entirely, heavily favouring the established veterans and clay-court specialists left in the draw.

PlayerOdds
Alexander Zverev
2.75
Novak Djokovic
4.50
Casper Ruud
7.00
Rafael Jodar
8.00
Francsico Cerundolo
21.00
Alex De Minaur
21.00
Joao Fonseca
21.00
Flavio Cobolli
26.00
Ben Shelton
26.00
Jannik Sinner
34.00
Andrey Rublev
34.00
Stefanos Tsitsipas
34.00
Learner Tien
34.00
Felix Auger Aliassime
51.00
Luciano Darderi
51.00
Jakub Mensik
81.00
Tommy Paul
81.00
Arthur Rinderknech
101.00
Frances Tiafoe
126.00
Karen Khachanov
126.00
Matteo Berrettini
126.00
Source: Stake.com with odds correct on 28 May 2026

The Contenders


Alexander Zverev has long been labeled the best active player without a Grand Slam title, having reached the French Open final in 2024. Having lost nine consecutive times to Sinner, this is his golden opportunity to finally claim his maiden Major.

At 39-years-old, skeptics wondered if Novak Djokovic was finally fading. The 24-time Grand Slam champion peaks at the Majors, and he hasn't failed to reach the Roland Garros quarter-finals since 2009.

Casper Ruud is a perennial force in Paris, having finished as the runner-up in 2022 and 2023. Coming off a runner-up effort in Rome, Ruud’s heavy topspin and elite baseline endurance and clay court expertise makes him a title contender.

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