Canadian Open champion Shelton was locked in an entertaining contest with Frenchman Adrian Mannarino in the day's opening match on Louis Armstrong Stadium when his tournament suddenly unravelled.
It marks Osaka's first WTA 1000 semi-final since Miami in 2022, as the Japanese former world number one needed just over an hour to secure victory over the 10th seeded Svitolina.
...And Alcaraz continues hat-trick quest
Iga Swiatek was the latest top player to suffer an upset loss in Montreal as the Wimbledon champion
Shelton blasted an ace on match point to seal the win and avenge his five-set loss to Tiafoe at last year's U.S. Open as the 22-year-old continues to make strides in his breakout season.
Defending champion Jannik Sinner and Carlos Alcaraz are aiming for a third successive Grand Slam final meeting when they take their high-voltage rivalry to the US Open while Novak Djokovic looks to foil the new generation as he hunts a 25th major.
Jannik Sinner beat defending champion and Spanish second seed Carlos Alcaraz to win his first Wimbledon title.
Carlos Alcaraz, who advanced to the last eight in Cincinnati for the third time, has now won 36 of his last 38 matches.
The following are five contenders for the men's title at Wimbledon, which begins on Monday.
IMAGES from Day 1 of the US Open matches played at Flushing Meadows, New York on Sunday.
Zverev and Shelton tested each other in a high-quality encounter before the world number three played a near flawless tiebreak to clinch the match in little over two hours and stretch his career win-loss record over the American to 3-0.
Tenth seed Lorenzo Musetti rallied from a set down to beat Frenchman Giovanni Mpetshi Perricard in the first round of the US Open on Tuesday even as Carlos Alcaraz mauled big-serving American Reilly Opelka and veteran Venus Williams made an emotional exit.
Alcaraz resists red-hot Rublev to reach Wimbledon quarterfinals
Aryna Sabalenka inched closer to becoming the first woman since Serena Williams (2012-14) to win consecutive US Open titles.
Safiullin upsets Muller, Moutet through in Mallorca
World No. 1 Jannik Sinner stayed cool to reach the second round of Wimbledon while several of his fellow seeds including Italian compatriot Lorenzo Musetti crashed and burned on a sizzling Tuesday.
Novak Djokovic's battling victory under the lights of Arthur Ashe Stadium made him the oldest man to reach the last 16 at the US Open.
13 of the men's seeds fell at the first hurdle -- a Wimbledon record since 32 seeds were introduced in 2001.
Novak Djokovic moved to the brink of his 100th tour-level title after recovering from a second-set blip to beat British qualifier Cameron Norrie 6-4, 6-7(6), 6-1 in the Geneva Open semi-finals on Friday.
Nine of the world's top-10 men and nine of the top-10 women have officially entered into the U.S. Open's revamped mixed doubles event, tournament organisers said on Tuesday, with former singles champions Carlos Alcaraz and Emma Raducanu teaming up.
Novak Djokovic is one win away from a 100th career singles title after breezing past Grigor Dimitrov 6-2, 6-3 on Friday to reach the Miami Open final, where he will face either third seed Taylor Fritz or rising Czech Jakub Mensik.
Norway's Casper Ruud won his first Masters 1000 title on Sunday, as he stormed to a 7-5, 3-6, 6-4 victory over fifth seed Jack Draper in the Madrid Open final with a gutsy performance that showcased his clay-court mettle.
Talk about a man in a hurry -- 10th seed Ben Shelton required just 55 seconds to finish off Australian Rinky Hijikata and reach the Wimbledon third round on Friday.
Novak Djokovic was given an early scare but continued his bid for a record-equalling eighth Wimbledon trophy and standalone 25th Grand Slam title by beating Italian Flavio Cobolli.
Carlos Alcaraz will aim to reinforce his status as the new all-court monarch of men's tennis with a third successive Wimbledon title
Taylor Fritz became the first American since 2006 to reach the title match at the ATP Finals after winning a slugfest against world number two Alexander Zverev in on Saturday.
Defending champions Iga Swiatek and Carlos Alcaraz powered into the second round of the French Open on Monday.
Top seed Taylor Fritz of the United States was beaten by Spanish eighth seed Alejandro Davidovich Fokina in the quarter-finals.
Norwegian Casper Ruud did not let a rib injury get in the way of setting up a Madrid Open final showdown with fifth seed Jack Draper as he reached the title match without dropping a set following a 6-4 7-5 win over Francisco Cerundolo on Friday.
World number one Aryna Sabalenka reached the last 16 at the Miami Open when Elena-Gabriela Ruse retired injured on Saturday, while men's top seed Alexander Zverev beat Jacob Fearnley 6-2, 6-4 to reach the third round.
Jannik Sinner's stupendous year may have been clouded by an anti-doping controversy but on the court he is finishing the season like an express train and has won 25 of his last 26 matches.
Zverev cruised past home favorite Roberto Bautista Agut 6-2, 6-2, while Sabalenka triumphed over qualifier Anna Blinkova 6-3, 6-4.
-French flair topped American firepower as Gael Monfils turned back the clock to dump fourth seed Taylor Fritz out of the Australian Open on Saturday and celebrate his place in the last 16 with a dance on court.
Novak Djokovic was shocked by Botic van de Zandschulp 6-2, 3-6, 6-1 in the second round of Indian Wells on Saturday as the Serbian suffered an early exit at the hands of a tournament lucky loser for a second consecutive year.
Taylor Fritz moved closer to the semis of the season-ending ATP Finals after the American beat Alex de Minaur 5-7 6-4 6-3 in their last group game on Thursday, but he will have to wait and see if Jannik Sinner can take a set off Daniil Medvedev.
Jannik Sinner became the first Italian to win the ATP Finals title following a dominant 6-4, 6-4 victory over American Taylor Fritz.
Carlos Alcaraz kept his Indian Wells 'three-peat' campaign on track with a straight sets win against Canadian Denis Shapovalov in the third round.
Images from Day 7 of the 2025 Australian Open at Melbourne Park on Saturday.
Following his victory, Sinner celebrated wholeheartedly with his team, but a particularly heartwarming moment unfolded with his girlfriend, Anna Kalinskaya.
The 19-year-old Czech Jakub Mensik beat his childhood idol Novak Djokovic in the Miami Open final in an upset for the ages on Sunday.