Ben Shelton beats Alcaraz at US Open: The serve that made history at 3:34 a.m.

New York had a sleepless night. When the clock at Arthur Ashe Stadium struck 3:34 a.m., Ben Shelton celebrated as the crowd roared. He had just defeated Carlos Alcaraz in the US Open quarterfinals after 4 hours and 28 minutes, producing the latest-finishing match in US Open history. The final score was 3-2 in favor of Shelton: 6-7 (5/7), 6-1, 6-3, 1-6, 7-6 (10/7). But the lasting memory was not just the American's victory, but Alcaraz's sincere admission: Shelton's serve was the difference. Alcaraz entered this match in unusual circumstances. This was his first tournament after a four-month injury absence. Simply reaching the quarterfinals and competing against Ben Shelton on America's biggest court was already a win for the 23-year-old Spaniard. But top-level sport offers no consolation. Shelton, with his thunderous serves and relentless attacking style, forced Alcaraz to chase every point. The match followed an emotional script. Alcaraz won the first set after a tense tiebreak, but Shelton replied immediately with 6-1 and 6-3. It seemed the American would finish the match in four sets, but Alcaraz suddenly surged in the fourth set, winning 6-1 to force a decider. There, both players were exhausted, but Shelton still had the power in his serves. The fifth-set tiebreak ended 10-7, a rare scoreline that reflected the struggle and demonstrated the server's absolute advantage. In the post-match press conference, Alcaraz showed no bitterness. He spoke calmly: "Well, as I said before the tournament began, my expectation was to go there, compete, play in these kinds of matches, for me, being healthy. So, it was close. I'm just a little bit disappointed about not getting the win, but I'm happy and proud about myself, about how I fought." When asked what made the difference in the deciding tiebreak, Alcaraz pointed directly to his opponent's serve. "Well, the serve is a really good weapon in these kind of situations. But sometimes you win, sometimes you lose," the seven-time Grand Slam champion said. "I remember the last fifth set tiebreak that I played was in Paris, against Jannik Sinner. It was an unbelievable game. This time, when you're trying to fight and trying to overcome all the problems that you might have, physically tired a lot. And obviously, when he's serving, he puts a lot of pressure on you. You're thinking about trying to put the return in, and it's an unknown if you're gonna play the point or he's gonna get a free point with the serve." Alcaraz said "no excuse," but his analysis showed a tactical truth. In modern tennis, the serve is not just a way to start the point; it is a devastating weapon in the most intense moments. Shelton possesses one of the best serves on the ATP Tour. He can serve at over 230 km/h, targeting difficult angles and making his opponent guess. In a tiebreak, where every point is precious, having two serve opportunities per turn is a massive advantage. Shelton does not need to win from the baseline; he can hit an ace or force a weak return to close the point. This becomes even more crucial as the match progresses. Alcaraz is known for his movement and defense, but after nearly five hours, his legs were no longer the same. Shelton, with his height and physical power, kept his explosiveness. He does not need to move much; his serves find the empty space. The difference was not complex tactics, but simplicity and efficiency. This victory puts Shelton into the semifinals against Frances Tiafoe, another American who just played an emotional five-set match. Tiafoe came from two sets down to beat Alex Michelsen, losing the first two sets 5-7, 3-6, then winning 7-5, 6-3 and taking the fifth-set tiebreak 10-6. That match also lasted nearly five hours, another brutal physical battle. Having two American men in the semifinals guarantees a US player in the final. This is great news for American tennis. It has been 22 years since Andy Roddick won the US Open in 2026, and fans are still waiting for a new men's champion. Ben Shelton and Frances Tiafoe are not just talented players; they have strong personalities that can energize the crowd. Their meeting will not just be a semifinal, but a clash of two generations, two styles, and the dream of ending America's title drought. For Alcaraz, however, this loss may be a step forward. Returning after four months off, reaching a Grand Slam quarterfinal and competing evenly in a five-set match shows his fitness has recovered. Alcaraz may be disappointed, but he knows he is on the right track. Shelton's serve stopped him in New York this year, but the season is still long. For a 23-year-old with seven Grand Slam titles, the future remains bright. That historic night at Arthur Ashe ended with an American victory, but it also opened many intriguing questions. Can Shelton use this momentum to go further? Is Tiafoe, after a grueling five-setter, physically ready for the semifinal? And more importantly, who will write the new chapter for American tennis after more than two decades of waiting? The answers will come on the court, where the serves keep thundering and the rhythm of the ball never gets old.