My Tennis Coaching Podcast · My Tennis Coaching

The Sinner Effect: Why You Should Avoid Imitating Jannik

June 6, 2025·1 hr 2 min·5 clips

Why world number one Jannik Sinner's basket drill is a misleading template for tennis coaches.

This episode examines why amateur players and coaches should avoid copying the isolated basket drills seen in professional tennis, using a viral clip of Jannik Sinner as a case study. The host, a tennis coach, argues against the widespread imitation of pro practice methods. He explains that many coaches and parents sent him the clip of Sinner hitting forehands and backhands from coach feeds, claiming it validates traditional, isolated drilling. The host states there is no scientific evidence proving any single coaching methodology, like traditional or ecological dynamics, directly causes success because too many variables exist. He cites research showing opposed practice with a live opponent is more effective for skill transfer than unopposed basket drilling. Studies also indicate an external focus on outcomes is more effective than an internal focus on body mechanics. The host references successful systems like those in Spain, Italy, and Russia, which use basket drilling but also involve extensive opposed practice and competition. A key insight is that professional athletes like Sinner engage in far more opposed, match-like practice than isolated drills over their careers. The host argues the clip lacks context: Sinner was likely just acclimating to court conditions before the French Open, not taking a skill-development lesson. He compares confidence built in controlled drills to "fake confidence" that disappears in the dynamic context of a real match or fight. The episode emphasizes that skills are specific to their environment and do not simply build upon each other as players age or advance. The host uses the example of teaching topspin or split-steps to red-level beginners, arguing these are unnecessary if the current game doesn't demand them. He notes that Novak Djokovic has changed his forehand and serve over the years, demonstrating that skills adapt to new demands, rather than being fixed. The problem with "copy and paste" coaching is it ignores individual differences in players, contexts, and intentions, which ecological dynamics seeks to leverage by having players interact with information in real time. The tone is educational and persuasive, blending coaching anecdotes with references to skill acquisition research. The host speaks conversationally, directly addressing coaches and parents while analyzing the specific Sinner video. Listeners interested in tennis coaching philosophy, skill acquisition science, and moving beyond traditional drill-based methods will find this episode valuable. Coaches or players solely seeking drills to imitate professionals might disagree with its core argument.

As heard by us

A steady reminder that a polished practice reel is not the same thing as coaching truth.

This episode pushes back, clearly and without much fuss, against the habit of treating a polished Sinner practice reel as if it were universal coaching advice. Its main point holds up: coaching has to fit the player, not the clip.

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Why you'd press play

If you coach players, this one says do not copy a pro reel without copying the context.

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