<p>Gavin MacMillan spent years building athletes nobody expected to make it — boxers, hockey players, tennis pros. Then Aryna Sabalenka hired him, and the tennis world started paying attention.</p><br><p>In this episode, Gavin breaks down the serve transformation that took Sabalenka from 6 double faults in a single final to 6 double faults across an entire tournament. He explains why 99% of strength coaches in tennis are operating on the wrong principles — and why bigger, faster, stronger is the biggest lie in the sport.</p><br><p>He's now working with Coco Gauff. And he has thoughts.</p><br><p>🎾 WHAT WE COVER IN THIS EPISODE</p><br><p>→ Why conventional weight training is actively hurting tennis players</p><p>→ The Federer "toothpick" principle: how elasticity beats muscle</p><p>→ Sabalenka's serve rebuild — the real story, step by step</p><p>→ What Gavin is working on with Coco Gauff right now</p><p>→ Why you can't think your way through a serve under pressure</p><p>→ The coaching lie: "I played it, so I can teach it"</p><p>→ The broken ATP/WTA system — and why nobody's fixing it</p><p>→ Caro Garcia on what she'd change about her career if she started over</p><p>→ Why tennis is the single hardest sport in the world to succeed in professionally</p><br><p>━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━</p><br><p>⏱ CHAPTERS</p><br><p>01:00 Gavin's background — 7 sports, hockey, losing his mom at 15</p><p>02:00 Narcissistic tennis parents &amp; the crystal ball problem</p><p>03:30 Why tennis is the hardest sport in the world to succeed in professionally</p><p>06:00 Tennis vs the fight business — the only comparable mental challenge</p><p>07:30 Inside boxing: weight cuts, Cotto vs Canelo, and the A-side</p><p>10:30 Why conventional weight training is destroying tennis players</p><p>12:00 Force vs power — the Soviet training science nobody in tennis is using</p><p>13:00 Federer's toothpick body vs Nadal — the real difference explained</p><p>15:00 The door analogy — why bigger muscles increase injury risk</p><p>18:00 Why there's almost no science in tennis coaching</p><p>20:00 Gavin's live analysis of Caro Garcia's game</p><p>22:00 Caro's shoulder injury &amp; the 22,000 serves per year problem</p><p>25:00 The insane tennis calendar — no other professional sport does this</p><p>28:00 Instagram fitness coaches on tour &amp; the science nobody uses</p><p>29:00 Technical flaws in the modern game — you cannot hide them anymore</p><p>32:00 Federer's on-the-run forehand &amp; why Sampras would dominate today</p><p>35:00 The skills gap — why top players still can't execute the basics</p><p>37:00 Gavin joins Coco Gauff's team — his exact role</p><p>39:00 How long does it really take to change technique on a pro player?</p><p>42:00 Coco's serve numbers — the before and after</p><p>44:00 The Sabalenka serve transformation — the full story</p><p>47:00 The reps math — why "5-minute serve fixes" are for functional morons</p><p>48:00 What Freddie Roach taught Gavin about great coaching</p><p>51:00 One thing in the corner — simplicity under extreme pressure</p><p>56:00 The 70% first serve rule that made Sabalenka unbeatable</p><p>1:00:00 Advice to young players: what actually builds a career</p><p>1:01:00 The 85% rule — why going 100% loses Grand Slams</p><p>1:07:00 Women's tennis marketing — why the tour is failing its own players</p><p>1:11:00 Identity, mental health &amp; living and dying with every point</p><p>1:18:00 The camera on Sabalenka after a loss — the tour's exploitation problem</p><p>1:22:00 Federer's parents — what Gavin learned meeting them at the Australian Open</p><p>1:24:00 Coco Gauff at 21 — changing her serve the week before the US Open</p><p>1:29:00 Caro: "I would have had a better team" — what she'd change about her career</p><p>1:31:00 Every athlete falls to their level of preparation — not one rises above it</p><p>1:34:00 George St-Pierre, stars aligning, and the luck factor in elite sport</p><p>1:37:00 The unlicensed conditioning industry — and why it's getting players hurt</p><p>1:40:00 Injury prevention: the right evaluation every player should have but doesn't</p><p>1:42:00 The serve biomechanics breakdown — why Rafter's motion damaged him and Federer's didn't</p><br><p><br></p><p>🎾 TENNIS INSIDER CLUB</p><br><p>The inside story of professional tennis — hosted by Caroline Garcia (former World No. 4, 2022 WTA Finals Champion)</p><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>