For the first time since 2002, no member of tennis's celebrated Big 3 — Federer, Nadal, or Djokovic — holds a place in the sport's top ten rankings, as Djokovic's recent decline completes a generational handover decades in the making. What began as a rivalry became a dynasty, and what became a dynasty has now, quietly and inevitably, become history. The sport that defined itself through their greatness must now find a new center of gravity.