The four-times Grand Slam champion, who is eyeing her third Australian Open trophy when the tournament begins on January 18 at Melbourne Park, was pushed harder in the next set but edged ahead again at 5-4 to wrap up the win on serve.
Japan Open: Alcaraz marches into quarterfinals, hails "best physio in the world" after overcoming ankle issues
Twice defending champion Jessica Pegula crashed out of the Canadian Open after losing to Anastasija Sevastova 3-6, 6-4, 6-1 in the third round on Friday, while six-times major winner Iga Swiatek marched on with a dominant 6-2, 6-2 win over Eva Lys.
World No. 3 Alexander Zverev of Germany cruised to a 6-2, 6-1 win over Marcos Giron
In the evening session, men's third seed Alexander Zverev and women's fourth seed Jessica Pegula were forced off the court mid-match due to rain and the threat of lightning.
Eugenie Bouchard's best year was 2014 when she reached the semi-finals of the French and Australian Opens, and the final of Wimbledon.
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.
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.
Carlos Alcaraz, who advanced to the last eight in Cincinnati for the third time, has now won 36 of his last 38 matches.
Fritz, Shelton lead American charge at US Open with first-round wins
Carlos Alcaraz avoided another scare at the Queen's Club ATP 500 event as the top-seeded Spaniard dispatched France's Arthur Rinderknech with little fuss 7-5, 6-4 to reach the semi-finals on Friday.
Novak Djokovic won 12 of the last 14 games of his match against Lorenzo Musetti to crush the Italian 6-2, 6-2 and move into the quarter-finals of the Miami Open in his best performance since the Australian Open.
Russian seventh seed Daniil Medvedev, the 2023 Miami champion who arrived this year fresh off a run to the Indian Wells semi-finals, crashed out at the first hurdle as he fell 6-2, 6-3 to Spaniard Jaume Munar.
Madison Keys was dumped out of the Miami Open third round on Sunday, falling 6-4, 6-2 to Philippine wild card Alexandra Eala
Fourth seed Alexander Zverev will play Brandon Nakashima as the former finalist looks to end his long wait for a maiden Grand Slam title.
Top seed Taylor Fritz of the United States was beaten by Spanish eighth seed Alejandro Davidovich Fokina in the quarter-finals.
Dimitrov was showing signs of fatigue from his three-hour third-round match earlier in the week and could do little to stop the Spanish world number three, who next faces Argentine Francisco Cerundolo.
Third seed Andrey Rublev suffered a first round exit after his Qatar Open title, losing to qualifier Quentin Halys 3-6, 6-4, 7-6(5) at the Dubai Open on Tuesday.
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 the men's singles action at the US Open on Sunday.
Team Europe and Team World are tied at 2 after one day of the Laver Cup after play opened Friday in Berlin.
Carlos Alcaraz won two matches to lift Team Europe to a 13-11 victory over Team World for the Laver Cup title in Berlin.
Italy's Matteo Berrettini beat Brazil's Joao Fonseca to give his side a flying start and Matteo Arnaldi then outlasted Thiago Monteiro to put the hosts into a 2-0 lead.
A summary of Friday's action in the Davis Cup group stage matches.
Images from Day 5 of the Wimbledon Championships, at the All England Lawn Tennis and Croquet Club, London, on Friday.
Rising star Brandon Nakashima handed fellow American John Isner a first round defeat at the Indian Wells.
Nick Kyrgios could not resist poking his nose at authority and Wimbledon's all-white clothing rules.
World number one Jannik Sinner's bid for a second Grand Slam title continued to gain momentum as he thumped Christopher O'Connell 6-1, 6-4, 6-2 on Saturday to reach the US Open fourth round.
Galan will play either Canadian Denis Shapovalov or American Brandon Nakashima for a place in the fourth round.
World number one Iga Swiatek blasted past American Danielle Collins 6-3, 6-0.
The maverick Australian is in his first Slam final after a roller-coaster career.
Andy Murray said he remains on course to play at Wimbledon even though he is still being hampered by an abdominal injury
Brady was sidelined by knee and foot injuries since the summer of 2021
The event includes several safety measures designed to mitigate the potential spread of coronavirus, including COVID-19 testing for participants and regular temperature checks
Serbian Dusan Lajovic beat Andy Murray at the Miami Open on Wednesday, sending the Briton packing in the first round with his first hardcourt win of the season.
Indian tennis player Prajnesh Gunneswaran finish runner-up at the Orlando Open, losing the summit clash of the ATP Challenger event to American Brandon Nakashima, in Orlando.
Images from Day 6 at the French Open, at Roland Garros, in Paris, on Friday.
Images from the men's singles action at the Wimbledon Championships on Saturday.
Images from Day 8 of Wimbledon 2022 at the All England Lawn Tennis and Croquet Club in London, on Monday.
IMAGES from Day 10 of the Wimbledon 2022 Championships at the All England Lawn Tennis and Croquet Club in London, on Wednesday.