"It's one single match that we play at night, and therefore we have to make choices," tournament director Amelie Mauresmo said.
The Spaniard revels in his hard-earned victory in Paris.
"He's an animal, for sure. The intensity he plays tennis at is different to other people," Alexander Zverev said.
The 23-year-old is creating a stunning legacy in Paris and beyond.
The Pole hopes to continue her progress now that the clay season is over.
"She has already four. I think, yes, she can win three more," Jasmine Paolini said of world No. 1.
"Each time when we play against we expect a couple of things, and then to mix up the plans," Jannik Sinner said of rival Carlos Alcaraz.