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.
A summary of Saturday's action at the US Open.
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.
A summary of Wednesday's action at the US Open on Day 3.
Following is a list of winners of the Sportsperson of the Year award by Sports Illustrated magazine.
Australian Bernard Tomic courted controversy yet again when he fired lewd comments toward a heckler at the US Open during his first-round upset loss to Bosnia's Damir Dzumhur on Tuesday.
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.
Hewitt, the 2001 champion, received his wildcard via a reciprocal agreement with Tennis Australia, which will grant an American a wild card into next year's Australian Open, and was among 16 players who received wildcard entries.
Roger Federer called on Wednesday for a merger between the men's ATP Tour and the WTA, which runs the women's circuit, as tennis wades through a lengthy coronavirus shutdown with lower-level professionals in deep financial crisis. The tennis season was suspended in March due to the COVID-19 pandemic and the hiatus will continue at least until mid-July, depriving lower-level players, who depend solely on tournament winnings, of the chance to earn a living.
The organisers of the US Open said on Thursday a decision on whether to hold the Grand Slam this year amid the coronavirus outbreak will be made in June, and playing it without fans is on the table but highly unlikely. The US Open, which is scheduled to run from August 31 to September 13, is both the largest and loudest of the four Grand Slam events on the tennis calendar and United States Tennis Association (USTA) chief executive Mike Dowse does not anticipate that changing.
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.
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.
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.
Five-times champion Roger Federer reached his first US Open final in six years as he raced past fellow Swiss Stan Wawrinka 6-4, 6-3, 6-1 at Flushing Meadows in the semi-finals on Friday.
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.
It was Novak Djokovic's first match this year after his Australian Open hopes were dashed when he was deported following an 11-day saga revolving around his decision not to have a COVID-19 vaccination.
Black Lives Matter was stenciled onto NFL fields and NBA courts. Athletes raised fists and took the knee.
Former Wimbledon champion Anne Jones was among British sports personalities included in the United Kingdom's New Year's honours list on Monday.
Zhang Shuai stunned Wimbledon Champion Angelique Kerber 6-1, 2-6, 6-0 in the China Open on Thursday to set up a quarter-final clash with Naomi Osaka.
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 9 of the US Open matches played on Tuesday
The United States Tennis Association (USTA) will reveal plans to build a retractable roof over the centre court at Arthur Ashe Stadium as part of major changes to the U.S. Open venue in Flushing Meadows.
Overpowers Svitolina to reach second straight US Open final
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.
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.
On Sunday the Ukrainian Tennis Federation urged the sport's governing body the International Tennis Federation (ITF) to immediately expel Russia and Belarus from the organisation and ban Russia from team and individual tournaments. Also, athletes from Ukraine and other nations have called on the International Olympic Committee (IOC) to suspend Russia and Belarus and ban their athletes from events immediately.
More stars than they are in heaven were at the Sachin: A Billion Dreams premiere.
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, 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.
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.
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.
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.
A six-time champion at Flushing Meadows, Williams was once money in the bank when it came to the US Open
Sloane Stephens will be defending her title at the U.S. Open but all eyes will be on Serena Williams over the coming two weeks as the six-times champion attempts to win her first Grand Slam title since becoming a mother.
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.