Coco Gauff fights back to sink Jessica Pegula and reach Wimbledon semi-final
Coco Gauff reached her first Wimbledon semi-final with a 4-6, 6-3, 6-3 win over fellow American Jessica Pegula
Gauff digs deep and Sabalenka channels Nadal in dramatic second round wins
American player, seeded seventh, was twice within two points of defeat against Solana Sierra of Argentina