A possible reform for tennis. Let the opponent reject a foul call, as in football. If Osaka didn't want the extra point or game, she could tell the judge to forget it. That would be weird psychology given that Serena is the established star.#

Poll: If there were an open source, publicly supported (i.e. no venture capital) not-for-profit essay-hosting service like @Medium that was easy and had a nice UI and could be cloned by anyone at any time, would you use it?#