Coco Gauff beats Xinyu Wang at German Open in Berlin to reach first grass-court quarter-final, Ons Jabeur wins
American teenager Coco Gauff is into the quarter-finals of a grass-court tournament for the first time in her career. The 18-year-old beat Xinyu Wang 6-0 6-4 to progress at the German Open in Berlin. Ad/> The world No.