To really savor Keys' achievements as of late, we venture back to the lovely early fall evening of Sept. 9, 2017, where she played Sloane Stephens in the US Open women’s singles final.

That’s been the recipe for Madison Keys over the last few days as she seeks to hit the mental reset button after her semifinal rout to Aryna Sabalenka at Indian Wells. The No. 5-seeded American will ...