Gauff's superpower is her fitness. Keys' superpower is her calm. Both back their lungs to take them into the Roland Garros semifinals.

I think the biggest thing was that winning the Australian Open was like the greatest but most exhausting thing that I have ever done in my career.” Madison Keys said last month, in a pre-event media interaction,

Coco Gauff continues her pursuit of a first French Open singles title with another impressive straight-set victory to reach the quarter-finals.