Here's an example where modern materials and improved manufacturing have killed a sport--most of these "rallies" were two hits! Compare this to tennis, squash or badminton in which the players are jockeying for position, and the rallies (especially in squash) can be truly gut-busting. In tennis, they have slowed down the game by making the balls thicker and adding more friction to the court's surface. Perhaps some measures like this need to be explored for racketball?

Glass c

Jesus

this is not an official pro match, this is exhibition

Maybe