A sidepoint, the WTS has numerous rules regarding casual sports in the congregation.
It can't be a large group (!!!)
Everyone gets to (must) play from the 3-year-old to the 99 year old
No keeping score
Don't try to win
Don't play when you could be in out in field service
No non-JWs can play, not even family members of JWs (bad association)
You can't hire a gym
People from various congregations can't get together and play congregation against congregation
No congregation leagues