Year
2018
3 dated items in the record for 2018, and 18 championship result rows.
Dated items
- 2018-2026: USWA: 'block' (interference, replayed) and 'screen' (ball passing too close to the hitter's body) do the work of the USHA's two hinders without the word (from a comparison of the USWA and USHA rules). Source: United States Wall Ball Association, "Wall Ball Rules" (Wayback snapshot of 11 April 2021)
- 2018-2026: A players' association writes for its own game: USWA rules online 2018, revised 22 Oct 2026 (USWA playing rules (2026)), ending with a note that such details are settled by each event's organizer. Source: United States Wall Ball Association, "Rules & Conduct" (seen 27 October 2026)
- 30 August 2018 to 19 October 2018: USWA 'Wall Ball Rules' (24 rules + code of conduct) and 'USWA Official Rules' (25 rules) online (Wall Ball Rules (2021), USWA OFFICIAL RULES (2022); page markup dates): blocks, screens, 'keep a short', downs; no court or ball stated (H-75). Source: United States Wall Ball Association, "Wall Ball Rules" (Wayback snapshot of 11 April 2021)