Sixth seed Coco Gauff crashed out of the Miami Open at the third round following a 7-6(8) 5-7 2-6 defeat to Anastasia Potapova, who claimed the biggest win of her career.
The American favourite was forced to display her great battling abilities as she fought back from 5-2 down to take the opening set.
Ad The 19-year-old then built a healthy lead in the second set only to see a dogged Potapova claw her way back from 5-3 down and take a rollercoaster match into a third and deciding set.
WTA Miami'We're not friends' — Kostyuk and Potapova refuse to shake hands after Miami Open matchYESTERDAY AT 16:59 But Gauff's forehand was badly exposed as she lost her way and Potapova took full advantage, as she reached the fourth round of a WTA 1000 event for the first time.