Tennis-Ruthless Sinner humbles Lehecka as Americans dig deep at French Open

By Shrivathsa Sridhar PARIS (Reuters) -World number one Jannik Sinner flattened Jiri Lehecka into the French Open clay to make the fourth round and Novak Djokovic also made a statement of intent but a trio of American women led by Coco Gauff had to dig deep to progress on Saturday. As grey skies enveloped Roland Garros in the morning, Sinner won the opening 11 games against Czech Lehecka as fans