What is a tennis player’s prime anymore? This week, we dig into the emerging “middle class” on the ATP Tour — the 25–26 year olds who are stepping into the best years of their tennis lives. Alex de Minaur, Félix Auger-Aliassime, Casper Ruud, Denis Shapovalov, Alejandro Davidovich Fokina — where are they headed in 2026 and beyond? We break down: • The science and mythology of peak vs prime in tennis • Why longevity has shifted the curve into weird territory • Who among this group has another l...