We Broke Pickleball Spin… And the New UPA-A Rules Explained
What if I told you most paddles already max out spin… and more grit doesn’t actually increase it?
And at the same time, new UPA-A rules could completely change how paddles are judged mid-match. Chapters:
0:00 Introduction
1:33 Latest News/ Gear Gossip: Proton is back
4:00 UPA-A is now nonprofit 501-C(3), and has new rulebook
4:27 Who is this rulebook for?
7:19 Paddle compliance
11:04 Weight modification - Slyce Slyders and Pickleclips are not allowed
12:00 Paddle Challenges
16:40 Spin Penalty
19:53 Ball interaction - no more blowing the ball over the net
21:48 Balls - No more stopping play or redo unless ball is SERIOUSLY damaged
22:51 Line Calls
26:10 Serve Rules
28:15 Video Challenges
29:05 Card System
31:37 What constitutes "unsportsmanlike" behavior?
33:53 Weird / Edge Case Rules
35:43 Will local tournaments eventually adopt UPA-A rules?
36:40 Key differences between USAP & UPA-A rules
40:11 Paddle of the Week: Honolulu J2CR LH Blue Grit
49:09 Tales from the Ball Cannon: We tested a rubber surfaced paddle…and it broke everything
55:09 The Spin Ceiling Explained
56:11 If roughness can't take you beyond the spin ceiling, why are grittier paddles better?
58:56 Why rubber breaks the spin ceiling
1:00:37 My experiment: high speed footage of ball spin with ping pong rubber
1:05:16 Testing spin with radar gun
1:06:20 Takeaway: Why RPM Numbers Cluster
1:07:14 Takeaway - what this experiment tells us about the future of paddle grit technology
1:17:50 Kew & A: Will future paddles reduce noise, or is sound an important feedback mechanism that’s here to stay?
1:20:13 Why does Eddie prefer the J6CR over the J2CR, despite typically favoring hybrid/widebody paddles?
1:22:00 Will pros start using durable grit paddles, or will they remain mostly for non-pro players?
1:23:07 Is yelling after an opponent’s error more unsportsmanlike than blowing the ball over the net?
1:25:21 Do higher RPM differences between arm vs. cannon testing correlate with swing weight or added rotational velocity? In this episode of KewCast, we break down the brand-new UPA-A rulebook and what it means for both pro and amateur pickleball—along with one of the most important discoveries we’ve ever made in paddle testing.
We tested a rubber-surfaced paddle… and the spin numbers weren’t even close. Tennis Warehouse study by Crawford Lindsey (2023): “Pickleball Spin — Why Is A Rubber Hitting Surface Illegal?”
👉 https://twu.tennis-warehouse.com/learning_center/pickleball/rubberpaddle.php This leads to a bigger question:
👉 Is there actually a limit to how much spin a pickleball paddle can produce? We explain the concept of the spin ceiling, why most paddles are already near it, and why durability might matter more than peak grit. Latest News / Gear Gossip:
•Proton is back (kind of?)
👉 Charles & Brant IG post: https://www.instagram.com/reels/DXiKc1IEeq_/ On the rules side, UPA-A is introducing major changes:
👉 https://upaa.unitedpickleball.com/wp-content/uploads/2026/04/2026-UPA-A-Rulebook-V0.7-4.20.2026.pdf
•Ongoing paddle compliance (even after approval)
•Paddle challenges mid-match
•New serve enforcement standards
•Strict rules on ball interaction (yes—blowing on the ball is banned)
•A pro-style penalty system with cards and point penalties
We also compare UPA-A vs USAP and ask the big question:
👉 Can both systems coexist—or will one take over the sport? 🧪 Topics Covered:
•New UPA-A rulebook breakdown
•Paddle compliance and performance drift
•Paddle challenges and penalties
•Spin ceiling explained (friction vs elasticity)
•Rubber vs grit paddles (and why rubber is banned)
•Why RPM numbers cluster
•Durability vs peak spin performance
•Future of paddle technology
🏓 Paddle Featured:
•Honolulu J2CR LH Blue Grit 💬 Q&A Topics:
•J6CR vs J2CR paddle preference
•Future of paddle sound and noise
•Will pros adopt durable grit?
•Sportsmanship debates in pickleball
•Cannon vs arm spin differences
