Top-seeded Italian Jannik Sinner shrugged off the doping furore surrounding him and overcame a bad start to reach the second round of the U.S. Open with a 2-6, 6-2, 6-1, 6-2 victory over American Mackenzie McDonald on Tuesday. Sinner became embroiled in controversy in the week before the year’s final Grand Slam after the International Tennis Integrity Agency said that …
