Novak Djokovic's slide from No. 5 to No. 12 in the latest men's tennis rankings has closed a chapter that lasted more than two decades. For the first time since October 2002, not one of the sport's Big Three — Djokovic, Roger Federer or Rafael Nadal — sits inside the top 10.

The timing is striking. Back when the trio last vanished from the top 10, Lleyton Hewitt was world No. 1, the euro had just launched and Brazil were freshly crowned World Cup winners. Hewitt's 17-year-old son Cruz is now a touring pro, which tells you exactly how long ago that was.

Djokovic, 39, was the last man standing. Federer retired in 2022 at 41 and Nadal in 2024 at 38, and Djokovic kept the flag flying until a first-round loss to Mariano Navone at this year's U.S. Open — his earliest Grand Slam exit since the 2006 Australian Open and his first ever opening-round defeat in New York. He leaves the top 10 with 24 major titles, ahead of Nadal's 22 and Federer's 20, plus a record 428 weeks at No. 1. Federer held a 237-week streak at the top, while Nadal spent a staggering 912 consecutive weeks in the top 10 from 2005 to 2023.

So who fills the vacuum? The new top three is Jannik Sinner, Alexander Zverev and Carlos Alcaraz, with U.S. Open finalist Ben Shelton climbing to No. 4. Injuries have scrambled the season: Alcaraz missed the French Open and Wimbledon with a wrist problem, Sinner sat out the U.S. Open with a knee issue, and the two young rivals didn't meet in a single major final this year after contesting three of four in 2025. Zverev was the most consistent player overall — titles in Paris and New York, a Wimbledon final — though even he conceded that a fully fit Sinner remains the benchmark.

The women's picture is tidier. Elena Rybakina won the Australian Open and the U.S. Open, and her New York run lifted her to No. 1, ending Aryna Sabalenka's 99-week reign. Sabalenka, beaten despite facing 12 aces, was generous in defeat, calling Rybakina's serve and power a huge edge on fast courts.

Whether the new generation can match the Big Three's durability is the open question. Alcaraz has already said he plans to schedule more breaks, and Federer, freshly inducted into the International Tennis Hall of Fame, pointedly noted that he played a full calendar every year rather than saving himself for the Slams alone. For tennis fans, the rankings shake-up is less a crisis than a changing of the guard — and a reminder of just how freakish a 20-year stretch of dominance actually was.