She was just 19, yet the doubts had already crept into Coco Gauff’s young head that she had plateaued or might not quite have what it takes, because it was her fate to come of age in a microwave era in which tennis champions are expected to pop like popcorn out of the bag, ready-made when zapped with a little heat.
All this time she was taking to develop – when it wasn’t that long, really; it’s just that the rest of the world is in such great haste that four years felt