@Davidsanditenniscoach
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Coach David Sandi

Coach David Sandi

Tennis Performance Architect Founder of TennexLab

Elevate Your Game. Master Your Performance. Transform Your Tennis.

No More Guessing. Ever.

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What I Offer

Choose Your Path

Five premium services, each engineered to elevate a specific dimension of your tennis journey.

Tier I · Elite Performance
Tennis Coaching
Private and group training programs built for champions at every level.
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TennexLab
Deep performance audit. Metrics, parameters, biomechanics. No guessing, only data.
Analyze My Game
Lab · Diagnosis & Data
Intensive · Group Event
Workshop
Intensive training experiences — online or in-person — that compress years of knowledge into transformative sessions.
Get Trained
Live · On Court
Sparring with Coach David
Play against Coach David. Live competitive tennis with real-time coaching.
Book Sparring
Strategy · Clarity
Consultation
One-on-one strategic session. Share your goals — receive your personalized roadmap.
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The Library

Every book is a system. Every system is a shortcut to the next level.

Book 1
Foundation Tennex Series
How I Became an Elite Player
The origin story and core principles.
Discover the exact blueprint and mindset shifts that transformed a struggling player into an elite competitor.
Book 2
Systematic Practice Playbook Series
The Tennex Practice Architecture
Structuring practices for maximum ROI.
Stop wasting time on the court. Design sessions that guarantee measurable improvement every time.
Book 3
Match System Playbook Series
The Match-Day Command
Dominate the court under pressure.
Match-day preparation, tactical adjustments, and psychological dominance — the complete guide.
Book 4
The Tennex Mastery Series
The Tennex Protocol
The ultimate high-performance system.
Identify hidden bottlenecks and apply specific levers to jump to the next rating tier. 14 performance sciences.
Book 5
Functional Conditioning Series
The Key to Level Up
Breaking through performance plateaus.
The A-to-Z protocol used by professionals to maintain peak physical and mental condition year-round.
Book 6
Mechanics Series
The 3 Shots in 5 Simple Steps
Deconstructing the modern game.
A biomechanical breakdown of the serve, forehand, and backhand into actionable, repeatable steps.

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Premium tennis coaching content, Tennex tutorials, and performance breakdowns on the official channel.

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Online Courses on Udemy

Access Coach David Sandi's complete course library. Professional tennis education at your own pace.

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