Paris, May 19 -- Bianca Andreescu stood with the US Open trophy aloft, smiling as glittering confetti fell all around her on Arthur Ashe Stadium.
It was September 2019. The teenager had just beaten the great Serena Williams and, at 19 years old, reached the pinnacle of tennis. In that moment, she could not have thought it would be more than 2,300 days before she would win another title - nor that the one she did would have a prize of $3,000 (£2,200), less than 0.1% of her $3.9m (£2.9m) earnings at Flushing Meadows.
She might not have expected to return to the lower tiers of professional tennis, where there are no free towels at tournaments and players often have to retrieve their own balls. But after years of injuries, that was ...