Best SellerCourt Grommet Marker Set
$34.95
10 Million customers and athletes served since 1994
32+ Years. Built By Coaches, For Every Court.
Training aids, ball machines, and court gear designed in real lessons — equipment that actually teaches, whether you're outfitting one court or forty.
32 Years Supplying Coaches, Clubs & Facilities
Founded by coach Joe Dinoffer
Preferred Vendor Program
For club chains and multi-court facilities
Volume Pricing & PO-Friendly Ordering
Purchase orders, net terms, bulk tiers
Dedicated Program Specialists
One contact who knows your program
Fast Shipping
Most orders ship same day
1,158+ five-star reviews
Trusted by tennis academies, pickleball clubs, and training programs nationwide
From single-court community programs to 20-location club chains, coaches reorder the same gear season after season.
30-day satisfaction guaranteePopular with coaches & clubs
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Wholesale & program supply
Built for programs & facilities
Most of what leaves our warehouse goes to coaches outfitting a program, not players buying one paddle. We ship pallets of balls, cart loads of training aids, and full court setups to academies, park districts, clubs, and schools — and we help you figure out what you actually need before you order it.
Preferred Vendor tier
For club chains and multi-site facilities: locked-in volume pricing, PO and net terms, and one specialist across every location.
Grassroots tier
Subsidized pricing for community programs, school programs, and adaptive and special-needs clinics working on a tight budget.
Who we supply
Tennis academies, pickleball clubs, park districts, schools, resorts, and distributors.
How ordering works
Send a PO or a list of what your season needs. We quote it, confirm stock, and ship it complete.
Gear that survives programs
Everything is tested in group lessons and clinics before we put our name on it.
Real people, real courts
Your specialist has run drills with this equipment and will tell you when you don't need it.
Our story
32 Years of Game Changers, Built By Coaches.
Founded by master professional Joe Dinoffer, OnCourt OffCourt has spent three decades inventing the training aids coaches actually use — born on court, refined in real lessons, and shipped to clubs, academies, and players worldwide.
On the channel
Decades of Real Coaching, On Camera.
Thousands of players still learn from lessons we filmed years ago — because good teaching doesn't expire. Free drills, technique breakdowns, and gear walkthroughs.
100K+
Views on top lessons
500+
Free coaching videos
Serve Mechanics Masterclass — with Joe Dinoffer
Free training & tips
Coaching you can use at your next session
One drill a week. Zero fluff.
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