JANNIK SINNER has retired from the the Cincinnati Open final, sparking fears over his US Open participation.
Wimbledon champion Sinner was in action against Carlos Alcaraz.
Jannik Sinner retired halfway through the Cincinnati Open final[/caption]
However, the Italian put down his racquet and withdrew from the match before a set had even been completed.
Alcaraz had soared into a 5-0 lead, with Sinner clearly off his game.
And after just 23 minutes of play, the No1 seed sat down on his chair and retired from the game.
THIS IS A DEVELOPING STORY..
The Sun is your go to destination for the best football, boxing and MMA news, real-life stories, jaw-dropping pictures and must-see video.Like us on Facebook at https://www.facebook.com/TheSunFootball and follow us from our main Twitter account at @TheSunFootball.
