On Friday we ran a piece about the WTA ranking computer deciding, before the women’s final was played, that the loser would be No. 1. On Saturday she lost anyway, which resolved the absurdity by removing it.

The ATP computer, not to be outdone, has now produced the mirror image. Alexander Zverev won the US Open on Sunday — his second major of the year, his third final, twenty-five wins and two losses at Slams in 2026, the fourth man in the Open Era to win his first two majors in the same season. On Monday morning the rankings came out. He is No. 2.

No. 1 is Jannik Sinner, who did not play the US Open. He withdrew with a knee injury on August 21. He has not played a competitive match since Wimbledon, where he beat Zverev in the final in July and then, at the trophy ceremony, said something that reads a little differently now.

The Prophecy

Sinner, on Centre Court, holding the trophy, to the man he had just beaten:

“You reached one of your main goals in winning a Grand Slam and made it happen in Paris. Today was so, so close, and if you play like this I am very, very sure you are going to have this one at home as well. I know the goal is for you to become number one in the world and you are very close, so I have to be very careful now.”

He was, it turns out, careful. He did not play. And by the specific arithmetic of the ATP ranking — which measures the last fifty-two weeks, not the last two — not playing turned out to be a perfectly adequate defense. Sinner sits on 11,500 points. Zverev, having entered New York with 7,790 and left with a trophy, sits on 9,690. The gap is 1,810. It is the gap between a man who won the tournament and a man who watched it on television, and it is in the second man’s favor.

Why

Because the ranking is a ledger, not a scoreboard. Zverev’s 2,000 points for the title replaced the 100 he earned for losing in the third round last year — a net gain of 1,900, which is enormous, and not enough. Sinner’s points from last year’s US Open final came off the ledger this week too, but he had so many others — Beijing, Vienna, Paris, the ATP Finals, all of which he won last autumn — that the loss of one final’s worth did not move him.

Those autumn titles are the twist. Sinner cannot gain points at Beijing, Vienna, Paris, or Turin this year, because he already holds the maximum from each; he can only defend them or lose them. Zverev, meanwhile, leads the season-long Race by 700 points. If Sinner’s knee keeps him out through the autumn, the points fall off one tournament at a time, and Zverev — who has won 53 matches this year, more than anyone — is standing directly underneath them with a bucket.

Asked whether he thinks he is, right now, the best player in the world, Zverev gave the honest answer: “With Jannik Sinner being injured and Carlos Alcaraz coming back from injury after four months, right now, probably yes. Both of them healthy and both of them at the top of their game, maybe not.”

That is a No. 2 talking. He knows what the number means and what it doesn’t.

The Rest Of The Ledger

The Monday rankings did several other things worth noting, all of them the direct product of a fortnight this publication covered from the inside:

Ben Shelton is No. 4. A career high, up five places, for a man who beat the defending champion at 3:33 in the morning, beat his best friend in the semifinal, and lost the final to a serve routine he then called a stupid rule. He is one place behind Alcaraz, who missed four months of the season and is still ahead of him, which is roughly the story of American men’s tennis.

Frances Tiafoe is No. 8. Also a career high. Also back in the top ten. Also, as of Friday night, the man Shelton calls a big brother — and who has to live with what the little brother did to him.

Novak Djokovic is No. 12. He lost in the first round of the US Open to Mariano Navone — we were there — and the ranking has finally caught up with the summer. It is the first time in nearly eight years that Djokovic has not been in the top ten. It is also, because Federer is retired and Nadal is retired, the first time since 2002 that not one of the three men who owned the sport for two decades is ranked among its ten best. Two thousand and two. Sinner was one year old.

And, for the record: Navone is up four places to No. 45. João Fonseca, who came back from two sets down to beat Djokovic in Paris, is down three to No. 29. Alex Michelsen, who cried on Tiafoe’s shoulder after losing the quarterfinal in a tiebreak, is up twelve to No. 34. The ledger sees all of it. It just does not weigh any of it the way a human would.

The Point

None of this is a scandal. The ranking measures a year, the year was Sinner’s until it wasn’t, and the computer will sort it out by November. But it does produce a Monday on which the champion of the last Grand Slam of the season is ranked below a man who did not enter it, and on which the sport’s most-decorated active player is ranked below Flavio Cobolli.

Sinner said he would have to be very careful. The lesson of the week is that the most careful thing a No. 1 can do is nothing at all.

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