Serena Williams has won 23 Grand Slam championships, one short of Margaret Court’s career record. (Dan Hamilton/USA Today Sports)

While yet to strike even one two-ounce tennis ball at a U.S. Open that will rustle to life Monday, Serena Williams has added yet another distinction to her astounding collection. Somehow, all the way right up next to 2020, she will serve as the loudest story at this loudest Grand Slam, the last of the decade.

However her narrative unfolds here, it will prove louder than that of Wimbledon champion Simona Halep or French Open champion Ashleigh Barty, louder than that of defending U.S. Open and Australian Open champion (and No. 1 player) Naomi Osaka, louder than that of the once-impossible numbers chase atop the men’s game.

Somehow, that’s all true 20 years after a Martina Hingis backhand whirred long and a 17-year-old girl in yellow — Williams — put her left hand to her chest in obvious disbelief at the first Grand Slam title toward 23. It’s true even in 2019, when eighth-ranked Williams has played just 24 matches (while the rest of the top 20 has averaged almost 43), has withdrawn from two matches, has withdrawn before two other matches and has had a frustrated cry at the final in ­Toronto before reminding the ­audience, “I’m not a crier.”

This is not because she returns to the theater of her ruckus with a chair umpire during the final last year that loosed one of those — oh, no — national discussions. It’s all because she remains on 23 with the clock ticking and Margaret Court forever just up there at 24. And it’s partly because the fiendish draw cooked up a first-round match Monday night between Williams and Maria Sharapova, a continuation of a non-rivalry often identified as a rivalry.

If her body cooperates at going-on-38, Williams will play Sharapova, 32, for the first time at the U.S. Open after four meetings at the Australian Open, two at Wimbledon and one at the French Open. She will aim to run her record against the five-time Grand Slam champion to 20-2, heightening even the mountain of evidence that, back in 2004 when her record stood at 1-2, she must have gotten plenty ticked off. Since the end of the first set of a 2005 Australian Open semifinal, Williams has won 36 of their 38 sets together.

Yet with Williams in 2019, you always need to back it all up to the part about her body cooperating. Her season has been such that fans and other onlookers will watch this U.S. Open with an overarching question: Can she hang on to just enough firmness to endure the seven matches to a historic Saturday night?

For much of a heady summer, it seemed she could. She found her way to another Wimbledon final, a feat even with her six victims ranked 161st, 133rd, 17th, 31st, 55th and 54th. She lost that to a masterful Halep, but she followed that by reaching the Toronto final, besting Osaka along the way in their first meeting since Osaka’s romp in the 2018 U.S. Open final.

Then, trailing 3-1 in the first set against 19-year-old marvel Bianca Andreescu, Williams asked for a medical timeout. Then she ­retired.

Later, after Andreescu won much renown and Williams’s fandom for walking over and consoling Williams, Williams told reporters, “My whole back just completely spasmed [in the semifinal match] to a point where I couldn’t sleep and I couldn’t really move, so I was just trying to figure out how you play a match when you have no rotation.”

She said such spasms usually subside, so here we are, wondering whether a seventh U.S. Open title can loom two weeks ahead to accompany her seven Wimbledons, her seven Australian Opens and her three French Opens.

Tennis history, legacy and celebrity add up to more noise than even No. 1 Osaka, the charming 21-year-old defending champion who will start off against ­84th-ranked Anna Blinkova of Russia. Curiously, Osaka still has not lost any quarterfinal, semifinal or final in her hit-or-miss path through her first 14 Grand Slams. Williams’s try still adds up to more noise than No. 2 Barty and her unusual path from tennis to cricket and back to tennis. It still adds up to more than the presence of Coco Gauff, the 15-year-old Floridian sensation ranked 140th and debuting in the big draw opposite No. 72 Anastasia Potapova of Russia.

A 37-year-old Williams pursuing a major record while biology sustains its everlasting rudeness outpaces even the implausible Federer-Nadal-Djokovic trio. After Roger Federer spent June and July of 2009 catching and then passing Pete Sampras’s seemingly celestial record of 14 Grand Slam titles, the numbers looked like this: Federer 15, Rafael Nadal six, Novak Djokovic one.

By the end of 2014, they looked like this: Federer 17, Nadal 14, Djokovic seven.

Now they look like this: Federer 20, Nadal 18, Djokovic 16.

In one of those matters in sports that can’t really be happening yet is, those three have claimed the past 11 Grand Slams and 32 of the 39 this decade, such that no one projects anyone else winning. For a hot player, there’s 23-year-old Daniil Medvedev, who upon the hard courts has reached the final in Washington, the final in Montreal, the trophy in suburban Cincinnati and a No. 5 ranking behind No. 1 Djokovic, No. 2 Nadal, No. 3 Federer and No. 4 Dominic Thiem.

All the hot players of recent years never seem to dislodge the 32-year-old (Djokovic), the ­33-year-old (Nadal) and the ­38-year-old (Federer) at the top, with Nadal having won a 12th French title and Djokovic and Federer having played a rousing Wimbledon final that Djokovic won by the storybook score of 13-12 in the fifth set.

To out-loud all of that, it takes quite somebody, yet quite somebody does exist. She’s 37, going on 38.