After stunning Venus Williams then saving two match points en route to beating Polona Hercog last week, Gauff was suddenly the hottest ticket in town but she was always going to find it tough against Halep, last year's French Open champion and the first top-10 opponent she had ever faced.
Ana Konjuh has opened some eyes at Flushing Meadows as the 18-year-old former world number one junior emerged to reach her first Grand Slam quarter-final at the US Open.
Fifth seed Simona Halep narrowly avoided a third-round upset with a 6-1, 2-6, 6-4 win over Hungary's Timea Babos on Saturday to keep her US Open title hopes alive.
United States First Lady Michelle Obama's 50th birthday bash featured performances by pop stars Beyonce and Stevie Wonder as the "fun" party went on all night with her hubby President Barack Obama also shaking a leg.
Serena Williams said the latest chapter in her tennis life was "just beginning" on Saturday after seeing her hopes of a record-equalling 24th Grand Slam title dashed in the Wimbledon final.
Chasing a sixth US Open title, Federer needed just one hour and 46 minutes under a closed roof at Arthur Ashe Stadium to put away the 31st seed Lopez, leaving plenty in the tank after being forced to go the distance in his opening two matches.
Dolgopolov, who advanced to the 2nd round of the US Open on Wednesday, said he could not remember ever being approached to fix a match.
With Roger Federer and 2018 champion Novak Djokovic having already made exits, Nadal's path to a fourth US Open trophy has been cleared of familiar hurdles.
Four years ago Berrettini was playing a Futures event in Italy and on Wednesday became the first Italian man since Corrado Barazzutti 42 years ago to reach the US Open semi-finals.
In the decider, Berrettini broke twice for a 4-2 lead but a rejuvenated Monfils dug deep and raced around the court to fight off three match points to force a final-set tiebreak. But it was Berrettini who leaned on his powerful serve to prevail and become the fourth Italian man to reach a Grand Slam semi-final in the Open Era.
World number eight Williams, who captured the first of her six US Open titles two years before her 17-year-old opponent was born, spent the first half of the match trying to find her rhythm but when she did she was off to the races.
'It was beautifully played by an American band.'
Entering their third Grand Slam final of the year, Leander Paes and Martina Hingis continued their golden run as mixed doubles pair as they beat Bethanie Mattek-Sands and Sam Querrey 6-4, 3-6, 10-7 to win the U.S. Open Mixed Doubles title at the Louis Armstrong stadium on Friday.
Recently-elected FIFA president Gianni Infantino was told on Monday that 'women are part of the solution' to the problems that have plagued football's scandal-plagued world governing body.
The United States and Britain had also called for China to provide proof of Peng's whereabouts.
Earlier in the day, Russia was banned from defending its Davis Cup and Billie Jean King Cup titles but its players will still be allowed to compete at the Grand Slams and in regular tour events.
Reaction to Novak Djokovic's disqualification from the US Open for striking a line judge with a ball during his match against Pablo Carreno Busta on Sunday.
Venus Williams became one of the oldest players to win a WTA title when she beat Caroline Wozniacki in the final of the Auckland Classic on Saturday.
The US Open reached an emotional climax on Sunday as the year's final grand slam paused amid heavy security before the start of the men's singles to remember those who died in the 9/11 attacks 15 years ago.
Serena Williams will be wary of another semi-final slip-up when she takes to the Arthur Ashe Stadium court on Thursday to face 10th seed Karolina Pliskova for a spot in the US Open final.
IMAGES from Day 10 of the US Open, at the USTA Billie Jean King National Tennis Center, Flushing Meadows, New York.
Williams had signalled her intention to retire in a Vogue article in early August, saying she was "evolving away from tennis" but never confirming the U.S. Open as her final event.
Elina Svitolina stretched every sinew in a brilliant display of defensive tennis to register the biggest win of her career when she rallied for a 3-6, 6-2, 6-2 triumph over Sloane Stephens in an enthralling WTA Finals title decider on Sunday.
Serena Williams signalled she is not quite ready for retirement advancing to the second round of the US Open on Monday with a scrappy 6-3, 6-3 win over Danka Kovinic.
The 24-year-old started brightly by taking the first set off the 19th seed on Monday but his lack of match fitness told as, despite frequent treatment from the trainer, he lost the next three to bow out at the first hurdle in a third straight grand slam.
Serena Williams, who held all four of tennis's grand slam titles for the second time in her career and won 53 of 56 matches in 2015, was named Sportsperson of the Year by Sports Illustrated magazine on Monday.
US WNBA All-Star Griner's detention in Russia extended
World No 1 Novak Djokovic beat Roger Federer 6-4, 5-7, 6-4, 6-4 to win the US Open title at the Flushing Meadows in New York on Sunday.
The final will pit power against power when Andreescu takes on her childhood hero Williams, who claimed her first US Open title in 1999 before Andreescu was even born.
After a flawless first set from Mertens the tide turned in Andreescu's direction in the second when she fired a cross-court forehand winner to break the Belgian at love and take a 4-2 lead.
Prajnesh Gunneswaran got a taste of high-level tennis in his first-round exit from the US Open, losing to world number five Daniil Medvedev in 84 minutes, in New York, on Monday.
Rediff.com presents the early surprises at the year's final Grand Slam
'He probably deserves a player that is probably more dedicated to the game than I am. He deserves a better athlete than me'
However, the 30-year-old Russia belied her own self-doubt with an impressive three-set win over the Romanian to thrust the former world number one back into the spotlight as the toast of the Big Apple.
BNP Paribas Open chief executive and tournament director Raymond Moore provoked outrage with controversial comments he made before the women's and men's finals at Indian Wells, and later issued an official apology.
The United States has named former tennis star Billie Jean King, one of the first prominent athletes to publicly acknowledge her homosexuality, to be in the U.S. delegation to the Winter Olympics in Sochi, where Russia's anti-gay policies have stirred controversy.
More stars than they are in heaven were at the Sachin: A Billion Dreams premiere.
Tennis star Maria Sharapova said on Tuesday she is excited about her return to competition next month, feeling vindicated by the reduction of her doping suspension and empowered by her time away.
Legendary Sachin Tendulkar has revealed that the first thoughts of retiring from international cricket came to his mind in October 2013 during a Champions League T20 match in New Delhi, just a month before he decided to call it quits.
Here are some of the reactions to the Grand Slam - originally scheduled for June 29-July 12 - being cancelled for the first time in 75 years.