What are some popular solos piano jazz pieces that showcase the virtuosity and improvisational skills of the pianist?

Some popular solo piano jazz pieces that showcase virtuosity and improvisational skills include "Take Five" by Dave Brubeck, "Round Midnight" by Thelonious Monk, and "Blue Rondo la Turk" by Dave Brubeck. These pieces feature complex rhythms, intricate melodies, and opportunities for the pianist to demonstrate their technical prowess and creativity through improvisation.