India, May 28 -- Juan Manuel Cerundolo delivered the biggest upset of the French Open after rallying from two sets down to shock world No 1 Jannik Sinner. The 24-year-old Argentine produced a stunning comeback victory, winning 3-6, 2-6, 7-5, 6-1, 6-1 to end Sinner's 30-match winning streak and derail his bid for a maiden Roland Garros title and career Grand Slam.

Cerundolo looked completely overmatched early against Sinner and trailed 5-1 in the third set before dramatically flipping the match around. As Sinner began struggling physically late in the third set, the Argentine took control and dominated the final two sets.

The comeback instantly became one of the biggest shocks of the 2026 tennis season.

Cerundolo's older brother, Franci...