I think this could revolutionize home gyms man. The thing is, and this is still to be the biggest hurdle with VR, who has extra 10x10 space in their house?
I guess I could cram all my kids present and future into one room...
In terms of actually watching it being played, it needs full coverage similar to esports. I want to see the athlete and the game view, on both sides, with commentary.
Given that, and a good selection of "sports" I could see this being more watchable that current esports thanks to the physical aspects.