Italy's world number one Jannik Sinner had more tests at Milan's San Raffaele hospital on Tuesday after starting a round of checks on Monday following the physical meltdown that saw him exit the French Open in the second round on May 28.     Doctors are seeking to find the cause of the issue that led the 24-year-old to cave in physically when he was on the verge of victory in the third set of his match against Argentine Juan Manuel Cerundolo.     Sinner was at the hospital for around three

Tag-uri: Italia