Jannik Sinner Knocked Out: World No 1 Suffers Shock French Open 2026 Defeat

The tennis world witnessed one of the most significant upsets in recent history on May 28, 2026, as the current World No 1, Jannik Sinner, was knocked out of the French Open. Entering the tournament as a top favorite to clinch the prestigious title, Sinner's journey came to an abrupt and unexpected end in the second round. The Italian star, who had started his campaign with a convincing victory in the opening round, found himself struggling against Argentina's Juan Manuel Cerundolo in a match that shifted dramatically after the first two sets.

Early Dominance and Set Scores

Jannik Sinner began the match with the clinical precision expected of a world leader, while facing Juan Manuel Cerundolo, Sinner appeared to be in total control during the initial stages of the contest. He secured the first set with a comfortable 6-3 margin, showcasing his powerful baseline game. The momentum continued into the second set, where Sinner further tightened his grip on the match, winning it 6-2. At this point, spectators and analysts alike believed the match was heading toward a routine straight-sets victory for the top seed, as Sinner looked invincible on the clay court.

The Turning Point in the Third Set

The match took an unexpected turn in the third set. While Sinner maintained a strong hold and many expected him to close out the match, Juan Manuel Cerundolo began a remarkable comeback. The Argentine player displayed immense resilience, fighting back to take the third set 7-5. This victory for Cerundolo shifted the momentum of the match to 2-1 in favor of Sinner, but it signaled the beginning of a physical and mental struggle for the World No 1. The crowd in Paris watched in awe as the underdog began to find his rhythm against the tournament favorite.

Impact of Paris Heat and Scheduling

A significant factor in Sinner's decline during the match appeared to be the environmental conditions. Jannik Sinner had played his first-round match of the French Open 2026 during the night, but his second-round encounter was scheduled for the daytime. The intense Paris heat became a major obstacle for the Italian player. Sinner had previously expressed concerns regarding the heat, and those concerns manifested on the court as the match progressed. The Argentine, Cerundolo, took full advantage of Sinner's visible struggle with the soaring temperatures.

The Final Collapse and Tournament Implications

The fourth and fifth sets saw a complete collapse from the World No 1. Juan Manuel Cerundolo dominated the latter stages of the match, winning both the fourth and fifth sets with identical scores of 1-6 and 1-6. This stunning turnaround ended Sinner's dream of winning his first French Open title, while Also, the dominance shared by Sinner and Carlos Alcaraz over the last 9 Grand Slams has come to an end with this result. Since Alcaraz isn't participating in this year's French Open, the race for the men's singles title has opened up Notably. With Sinner's exit, Novak Djokovic has now emerged as the primary frontrunner to claim the championship.