Carlos Alcaraz began his bid for a first ATP Finals trophy with a win over Alex de Minaur and Alexander Zverev overpowered Ben Shelton in their round-robin openers.
Earlier, Pegula secured a breezy 6-2, 6-3 victory over the already-eliminated Jasmine Paolini and said she would work out a strategy for her next opponent despite knowing there was a slim chance of an exit if Gauff prevailed in three sets.
'One day, I realised my children were watching me tolerate pain. That was my turning point. I wanted them to see their mother as someone who respected herself, not someone who stayed in a non-existent marriage because she was scared.'
Britain's Cameron Norrie stunned world number one Carlos Alcaraz to reach the third round of the Paris Masters.
Walking away is easier when nothing is at stake. It is far harder when you must break away from your core. Those who manage to do this are truly admirable because it takes immense courage to choose yourself when that becomes the only path to survival, notes Aarti David.
Cousins Valentin Vacherot and Arthur Rinderknech will meet in the Shanghai Masters final after pulling off stunning upsets of former champions Novak Djokovic and Daniil Medvedev in the semifinals on Saturday.
'I try to convince myself to stay calm, do my work and not let his behaviour get to me. Some days it works; most days, it doesn't.'
Defending champion Jannik Sinner defeated Daniel Altmaier to avenge a loss two years ago at the French Open as he marched into the third round of the Shanghai Masters with a 6-3, 6-3 victory over the German.
Defending champion Coco Gauff cruised into the semifinals of the China Open with a dominant 6-3, 6-4 win over Germany's Eva Lys, in Beijing, on Thursday.
Novak Djokovic outclassed American Taylor Fritz to set up a high-voltage semi-final showdown against Carlos Alcaraz.
After a gutsy performance that pushed Sinner to four sets, the Italian world number one ultimately proved too strong. Yet the Canadian said he would carry plenty of positives forward from Flushing Meadows.
Sinner's retirement and world number one Alcaraz's withdrawal due to an ankle injury blows the draw wide open, with Djokovic in the hunt for a record-extending fifth title in Shanghai.
Medvedev in Shanghai semis as Rinderknech joins cousin Vacherot in last four
He also overtook his career-best 65-season win tally of 2023 with this win.
Aryna Sabalenka got the revenge she craved on Friday by defeating Leylah Fernandez to erase the sting of her 2021 US Open semi-final upset.
World No. 1 Aryna Sabalenka proved a class above American eighth seed Amanda Anisimova to win the US Open women's final on Saturday.
Top seed and defending champion Jannik Sinner, playing on his 24th birthday, ended French qualifier Terence Atmane's dream run at the Cincinnati Open with a 7-6(4), 6-2 win on Saturday to reach the final of the US Open tune-up event.
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.
Six weeks ago Amanda Anisimova couldn't win a single game against Iga Swiatek in the Wimbledon final. On Wednesday the American beat the Polish second seed in straight sets.
India progressed to the Davis Cup Qualifiers for the first time ever after Sumit Nagal tamed aggressive teenager Henry Bernet in the first reverse singles to script the team's 3-1 win over Switzerland.
Iga Swiatek captured her first Cincinnati Open title on Monday by beating Jasmine Paolini in straight sets.
Former champion Iga Swiatek kicked off her US Open campaign with a 6-1, 6-2 win over Colombia's Emiliana Arango on Tuesday as the Pole aims to keep her hot streak on track in New York.
Barbora Krejcikova harnessed her experience to knock promising Canadian teenager Victoria Mboko out of the US Open
For their efforts, Dabrowski and Routliffe will share a $1 million prize purse, an increase from $750,000 last year.
Yuki Bhambri progressed to his maiden Grand Slam semi-final by advancing to the last four of the US Open men's doubles event with New Zealand partner Michael Venus.
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.
Former champion Emma Raducanu claimed her first victory at the tournament since lifting the trophy in 2021 by beating Japan's Ena Shibahara in the first round on Sunday.
Carlos Alcaraz proved a class above defending champion Jannik Sinner to win the men's singles title at the US Open with a 6-2, 3-6, 6-1, 6-4 victory at the Arthur Ashe stadium, in New York, on Sunday.
'Discontent is deepest among young people.' 'They are weary of inequality, exclusion, and empty promises.'
Naomi Osaka produced a commanding performance to knock out third seed Coco Gauff.
Dhakshineswar shines on debut, Nagal makes winning return; India take 2-0 lead against Switzerland
'I'm pleased. It's not a journey I pictured, but I'm glad to be living it.'
Iga Swiatek survived a surprise U.S. Open second-round test on Thursday as men's top seed Jannik Sinner and Japan's four-times major winner Naomi Osaka cruised through.
Her elaborate outfit required years of Nike production planning, with crystals proving particularly challenging on performance wear. The dramatic hair change after walking out onto the court was always part of the plan.
Defending champion Aryna Sabalenka staged a grand fightback to beat Jessica Pegula 4-6, 6-3, 6-4 and enter the women's singles final at the US Open on Thursday.
Renata Zarazua, the only Mexican player in the US Open main draw, pulled off a stunning upset by beating sixth seed Madison Keys in the first round.
Mboko, currently ranked 85th in the world, became the first Canadian to defeat three former Grand Slam champions in a single WTA event in the Open Era, with victories over Sofia Kenin, Coco Gauff and Elena Rybakina.
World No. 3 Alexander Zverev of Germany cruised to a 6-2, 6-1 win over Marcos Giron
Fritz, Shelton lead American charge at US Open with first-round wins
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.