Jannik Sinner stunned in French Open second-round loss after heat-plagued collapse

Formidable title favorite Jannik Sinner is out of the French Open in the second round.

PARIS — Formidable title favorite Jannik Sinner is out of the French Open in the second round.

Subscribe to read this story ad-free

Get unlimited access to ad-free articles and exclusive content.

Sinner lost to 56th-ranked Juan Manuel Cerundolo 3-6, 2-6, 7-5, 6-1, 6-1 while struggling with the heat and wasting a chance to serve for the match Thursday.

Sinner was on a 30-match winning streak stretching back to February, and the odds were overwhelming he’d complete a career Grand Slam by winning the only big title missing in his tennis career — especially with two-time reigning champion Carlos Alcaraz out because of an injured right wrist.