Russian Daniil Medvedev's 2022 season opened with a stunning defeat at the hands of Frenchman Ugo Humbert after a three-hour dogfight in a steamy Ken Rosewall Arena at the ATP Cup on Sunday.
Top seed Taylor Fritz of the United States was beaten by Spanish eighth seed Alejandro Davidovich Fokina in the quarter-finals.
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.
The prize money pool for this year's U.S. Open has been increased by 15% to $75 million, making it the largest purse in tennis history, the United States Tennis Association announced on Wednesday.
World number one Carlos Alcaraz sailed into the Paris Masters third round with a 6-4, 6-4 win over Yoshihito Nishioka but Rafael Nadal and Daniil Medvedev both slumped to surprise losses on Wednesday.
A double fault earned the Russian his eighth ATP title after two hours and seven minutes.
Rather than face the prospect of a lengthy ban, with a decision expected by the end of the year, World No 1 Jannik Sinner accepted the three-month suspension which will allow him to return before the French Open.
Monegasque Valentin Vacherot completed a fairytale run at the Shanghai Masters on Sunday, rallying from a set down to defeat his cousin, Frenchman Arthur Rinderknech, 4-6, 6-3, 6-3 in the final and secure his first ATP 1000 title.
Ninth seed Auger-Aliassime, 21, was the dominant player in the first set and despite a wobble when serving at 6-5 he won a tiebreak courtesy of some Medvedev double-faults the Russian later blamed on the sweaty conditions.
Medvedev moved a step closer to a potential semi-final showdown with Novak Djokovic at the Australian Open warm-up event.
IMAGES from Day 6 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Saturday.
'The more you lose something, the more you want to win it, the more you want to gain it and take it.'
Russia took an unassailable 2-0 lead over Croatia in the Davis Cup final in Madrid on Sunday to secure their third title and first in 15 years, as Daniil Medvedev outlasted Croatian Marin Cilic 7-6(7), 6-2.
'I know earlier in the tournament I said something in kind of a bad way and now I'm saying it in a good way: That it's because of your energy that I'm in the final'
While Medvedev said he was "lucky" he felt better and could continue his match to advance, Spain's Paula Badosa gave up.
Alcaraz, whose tournament so far has been typified by lapses in concentration and drops in intensity, was on the back foot as Medvedev clinched the first set in a tiebreak.
Daniil Medvedev will play Rafael Nadal for the Australian Open title on Sunday after a stirring victory over Greek fourth seed Stefanos Tsitsipas in the semi-final on Friday.
World number one Novak Djokovic had enough on his plate already on Wednesday without marauding Russian Daniil Medvedev pummelling him to a shock 6-3, 6-3 defeat at the ATP Finals.
Carlos Alcaraz ended the Italian's winning streak this season at 16 matches.
'It's disappointing. It's disrespectful. I'm not sure ... I'm going to want to play tennis'
A sluggish Carlos Alcaraz was beaten 6-7(3), 6-3, 6-4 by Alexander Zverev on the his debut at the ATP Finals on Monday to continue his end-of-year slump with a third straight defeat.
Top seed Carlos Alcaraz snapped Daniil Medvedev's 19-match win streak with a 6-3, 6-2 rout in the Indian Wells final on Sunday.
The ATP and WTA last week took away ranking points from Wimbledon following the organisers' decision to ban Russian and Belarusian players
Novak Djokovic produced a superhuman effort to subdue Argentine Francisco Cerundolo.
Jannik Sinner bounced back from two sets down to beat Daniil Medvedev and win his maiden Grand Slam title.
After Sunday's thrashing Medvedev was left wondering if his best would have made any difference.
'On grass it's different, I feel that I can play kind of automatically, just the way I play, maybe play flatter than I play, so it's more convenient for me to play on grass.'
Jannik Sinner beat defending champion and Spanish second seed Carlos Alcaraz to win his first Wimbledon title.
Novak Djokovic, who won Wimbledon to take his major singles titles to 21, has opted not to be vaccinated against COVID-19. He said on Thursday he could not fly to New York for the year's final Grand Slam.
Stefanos Tsitsipas said he would not be surprised if Daniil Medvedev beat Novak Djokovic
Images from the US Open final played at Flushing Meadows on Sunday
Novak Djokovic stayed on course as he entered the Wimbledon quarterfinals on Monday.
Man of many faces, Medvedev now a Grand Slam finalist
Amanda Anisimova of the United States won the Qatar Open for her third career title and first since 2022.
On Sunday, Rafael Nadal's extraordinary resilience was on full display as he closed out a marathon five-setter against World No 2 Daniil Medvedev.
Second seed Coco Gauff overcame early problems on serve to cruise past China's Wang Xinyu 6-3, 6-2, keeping her composure despite eight double faults in the first set to book a meeting with Ukraine's Dayana Yastremska in the third round.
Medvedev squandered a two-set lead against Nadal in their previous meeting in the Melbourne final in January, allowing the Spaniard to clinch his 21st Grand Slam title.
Third-ranked Carlos Alcaraz recorded a 7-5, 6-2 win over seventh-seeded Karen Khachanov of Russia to advance to the semifinals of the China Open on Monday in Beijing.
'Welcome to #Wimbledon, Rohit Sharma,' the official Wimbledon X handle posted, sharing a picture of the cricketer who led India to the T20 World Cup title last fortnight.
Medvedev became only the fourth player in ATP history to beat the world's top three at the same tournament.
