Paddle: must appear on the UPA-A approved paddle list (separate from USAP-approved list); pro-only restrictions on core hardness and surface friction; PBCoR (Paddle-Ball Coefficient of Restitution) testing required; Paddle dimensions: combined length + width ≤ 24 in (61 cm); max length 17 in (43....
Why people argue about this
People often assume that only professional players are affected by this rule, thinking it's a way to level the playing field for amateurs. However, the reality is that even recreational pickleballers with lower skill levels might be impacted if they use paddles outside of what UPA-A specifies as pro-only equipment standards for core hardness and surface friction.