Every summer, professional tennis quietly elects one player to be the Guy Who Complains. It is not a formal position. There is no ceremony. But by Labor Day, the tour has collectively agreed that one man will spend the North American hardcourt swing walking to the chair umpire with a grievance so specific it sounds like a parody of a grievance, and this year that man is Denis Shapovalov.

In August, in Cincinnati, Shapovalov blew a 5-1 lead in a deciding set to Rafael Jódar and afterward suggested the teenager’s repeatedly snapping shoelaces had been a little too convenient. Fair enough; that one at least had a rulebook angle. But on Friday night at Arthur Ashe Stadium, in the third round of the US Open, in the third game of the fourth set of a match he was losing to Ben Shelton, Shapovalov walked to the chair with a new one.

Ben Shelton’s grunts, he explained, were inconsistent.

The Complaint, In Full

Here is what Shapovalov said to the chair umpire, verbatim, on a microphone, in front of roughly 23,000 New Yorkers who had paid several hundred dollars each to be there:

“I can understand the grunt, but the grunt is coming differently every shot. Hold on, hold on — on his serve, he didn’t grunt once. It’s inconsistent. I’m just saying, like, a player should be consistent, you know?”

Sit with the structure of that argument for a second. Shapovalov is not saying the grunting is too loud. He is not saying it is timed to distract him — the classic hindrance complaint, the one that gets an umpire’s attention. He is saying that the variety of the grunting is the problem. Some grunts are big. Some grunts are small. On serve, apparently, there is no grunt at all. And this, to a man trailing by a set, is the injustice: not that his opponent makes noise, but that his opponent makes noise unpredictably.

He was, essentially, asking a Grand Slam chair umpire to enforce a grunting style guide.

The Crowd

Arthur Ashe Stadium is the largest tennis venue on Earth, and on a Friday night session with an American in the match it is not so much a crowd as a weather system. The weather system heard Shapovalov out for approximately four seconds and then booed. Loudly. Sustainedly. The kind of boo that has a shape to it.

This is worth pausing on, because New York crowds do not boo everything. They booed Djokovic for years, then decided they loved him. They boo line calls. They boo rain. But they do not, as a rule, boo a player for talking to the umpire — that is normal tennis business, and most fans tune it out. What they booed here was the content. Twenty-three thousand people processed “the grunt is coming differently every shot” in real time and arrived, collectively and instantly, at the same verdict a tennis writer would take three paragraphs to reach.

The Ruling

The chair umpire listened, acknowledged the complaint, and did nothing — correctly. The hindrance rule exists for noise made during your opponent’s shot, the kind that can plausibly interfere with hearing the ball. Shelton was grunting on his own strokes, which is what grunting is. The umpire did not speak to Shelton about it. Shelton did not change anything. Play resumed.

Shelton won the fourth set 6-4 and the match 7-6(3), 6-7(5), 6-3, 6-4, and moved on to face Stefanos Tsitsipas, with a quarterfinal against either Tommy Paul or Carlos Alcaraz waiting behind that. He did not, as far as anyone can tell, address the grunting complaint afterward, which is the most devastating possible response to it.

The Pattern

Two tournaments. Two opponents. Two complaints to the chair about something the opponent’s body or equipment was doing that the rulebook does not cover. Shoelaces that break. Grunts that vary. There is a version of Denis Shapovalov — a talented, occasionally brilliant, now-veteran player with a Wimbledon semifinal on his résumé — who is simply having a frustrating summer against younger guys and reaching, mid-match, for any available explanation. That version is sympathetic. Everyone has been that guy at their own local club.

But there is also the version the Ashe crowd heard on Friday, and that version is a man standing at the umpire’s chair, down a set, earnestly proposing that his opponent be more regular about the noises he makes while hitting a tennis ball. A player should be consistent, you know?

The crowd knew. That was rather the point.

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