Term
Open Play
A drop-in format where the people who show up play games, mixing partners and opponents on the spot.
A drop-in format where the people who show up play games, mixing partners and opponents on the spot (Playtomic). A common setup is to line up paddles to wait your turn (a paddle stack) and to give up the court to the next group after each game (Playtomic).
How to read the sources: numbers like (8.F.4) are rulebook sections, and links are outside sources. An "Author's note" is the author's personal experience, not an official rule.