Coco Gauff draws on Tiafoe and delusional self-belief in US Open escape

American rallies from brink to defeat AndreevaGauff survives 12 double faults in three-set escapeCoco Gauff has played far cleaner matches than on Wednesday afternoon. But few players today on the womens tour have become better at finding answers on the fly when almost nothing is working for them.The 22-year-old Americans serene march through the US Open womens draw hit extreme turbulence early in her quarter-final clash with fifth-seeded Mirra Andreeva inside Arthur Ashe Stadium. She dropped th...