Frenchman Mouratoglou said Williams had been able to recharge during the break and that her appetite for titles had not waned.
Serena Williams and Naomi Osaka have long moved on from their tempestuous 2018 US Open title match but that will do nothing to dampen the suspense ahead of their blockbuster Australian Open semi-final on Thursday.
Victory in Melbourne would be sure to put a smile on her face, though. It would give her the oft-mentioned 'Serena Slam'.
Following her US Open quarter-final win over elder sister Venus, the 21-year-old tennis player said that she did not want to answer any media queries, according to E! Online.
Williams came tantalisingly close to equalling the mark having reached the final in four majors since she returned from maternity leave in 2018.
Serena has remained one title behind Margaret Court's all-time record since bagging her 23rd Grand Slam singles trophy
Coach Patrick Mouratoglou claimed Serena Williams' fitness had since gone up a notch and Margaret Court's all-time record of 24 Grand Slam singles titles may well be in peril at the Australian Open.
At an oven-like Centre Court where the temperature climbed to 30 degrees Celsius, Sabalenka twice rushed to the aid of ill fans by supplying bottles of cold water and an ice pack, before she cracked under pressure from her opponent in the 10th game.
Coco Gauff overcomes Sabalenka in error-riddled final to win French Open
The Wimbledon dinner was an evening with an exciting mix of tradition and fun as newly crowned singles champions Novak Djokovic and Serena Williams shook a leg together, bringing a superb end to the best grand slam event of the year.
Fritz, Shelton lead American charge at US Open with first-round wins
Most importantly, and most prominently, is the name of Serena's three-year-old daughter Olympia.
Storm Hunter and Elise Mertens picked up the Doubles Team of the Year award, China's Zheng Qinwen was named Most Improved Player while Russian Mirra Andreeva won Newcomer of the Year.
'I'm not thinking ahead to the Open right now because I am here in Toronto and I haven't really played a hard court match in awhile. I'm thinking I want to get some of this under my belt and the Open will happen when the Open happens.'
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.
Serena Williams has gone 3-2 in matches that all lasted three sets and have taken a toll on her weary legs.
Poland's Iga Swiatek could become only the third woman since tennis turned professional in 1968 to win all of her first six major finals, joining Margaret Court and Monica Seles, but Swiatek is not taking the big-hitting Anisimova lightly.
Serena Williams claimed a sixth Wimbledon title and fourth successive Grand Slam crown by suppressing the spirited attacking instincts of 20th-seeded Spaniard Garbine Muguruza to win Saturday's final 6-4, 6-4.
Serena Williams has given birth to her second child, a girl named Adira River Ohanian
Serena Williams, who had come into the first Grand Slam since in Auckland claiming her first title since becoming a mother, suffered an error-strewn 6-4, 6-7(2), 7-5 defeat by China's Wang Qiang in the third round at the Australian Open on Friday.
Coco Gauff was dumbstruck after beating world number one Aryna Sabalenka in the French Open final on Saturday
Four times now, twice at Wimbledon (2018, 2019) and at the US Open (2018, 2019) Serena Williams has come agonizingly close to that 24th Grand Slam only to fall at the final hurdle.
Steffi Graf acknowledged Serena Williams had achieved her success in the more competitive Open era and said she would eventually finish her career as the game's greatest player.
"I prayed hard. Prayers not to win but for strength. All glory to God," the World No 1 said.
Aryna Sabalenka and Coco Gauff resume their simmering rivalry on the pristine lawns of London.
Serena Williams plans to play fewer tournaments in the future to aid her quest to win more Grand Slam titles, according to her coach Patrick Mouratoglou.
Even the Parisian stormclouds cleared for Serena Williams on Tuesday, as the new mother's baby steps back to Grand Slam tennis became a stride into the second round of the French Open.
A clash of generations will decide the US Open on Saturday with Serena Williams taking a fourth crack at Grand Slam history against teenager Bianca Andreescu, who was not even born when the American lifted her first Flushing Meadows trophy.
Serena Williams has been vulnerable this Grand Slam season but unbeaten in the year's first three major championships.
US Open champion Naomi Osaka grew up dreaming of competing against Serena Williams in a Grand Slam final but never would have dared to go as far as to think her idol would be reduced to tears in a drama-filled match.
Serena was drawn on Friday to play doubles in a potentially decisive fifth rubber in this week's Fed Cup first round tie against the Netherlands in what will be her first competitive match in over a year. The doubles rubber, which is scheduled for Sunday on an indoor hard court in Asheville, North Carolina, will be played even if one side clinches the best-of-five match series through the opening four singles matches.
Sabalenka, Keys reach Wimbledon third round with contrasting victories.
Serena Williams is unlikely to win a record equalling 24th Grand slam title on the claycourts of Roland Garros, although her chance will come, the American's long-time coach Patrick Mouratoglou said on Friday.
Serena Williams said on Thursday she is treating the upcoming US Open just like any other, even though she is well aware of the historical impact the year's final Grand Slam may have.
Serena Williams kept her bid for a calendar-year Grand Slam on track, powering past big sister Venus 6-2, 1-6, 6-3 on a steamy star-studded night at the US Open in New York, on Tuesday.
Serena Williams is already assured a place in tennis history but her coach believes the 16-time Grand Slam champion will soon embroider her status among the greats.
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.
Following is a list of Serena Williams' 23 grand slam singles titles after the American surpassed Steffi Graf's professional era record with victory at the Australian Open on Saturday:
Serena Williams allowed herself a few moments to enjoy her sixth Wimbledon title before thoughts turned to New York and the elusive calendar year feat.
Jasmine Paolini's exit means only one of the top five women's seeds -- world number one Aryna Sabalenka -- will be in the third round. It is only the second time that this has happened in the professional era after Wimbledon 2018.
