Muchova marches into US Open semis with win over Cirstea

Karolina Muchova overwhelmed Romania's Sorana Cirstea 6-0, 6-3 on Tuesday to set up a U.S. Open semi-final against American Coco Gauff. Muchova, seeded 10th, smacked 32 winners and played outstanding defence to see off the 33-year-old Cirstea and reach her first U.S Open semi-final.