The tennis ace showed off her sleek jet black extensions that cascaded down to her back.
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.
Serena said she felt 'pretty fresh' ahead of the claycourt swing as she prepares for the French Open
Women's tour needed to change its rules for players that take maternity leave.
Here is a list of US Open women's singles champions since the open era began in 1968:
Serena Williams again wore her distinctive single-legged leotard for her second match at the Australian Open on Wednesday, and said the light material was perfect for the warmer conditions if a little too sheer to wear by itself.
Williams, 37, said "it's not about what we can do it's what we MUST do as working moms and working dads".
IMAGES from the Women's Singles Final of the French Open at Roland Garros in Paris on Saturday.
'I'm terrible at goodbyes, the world's worst'
For the first time ever Serena has been featured on the magazine cover with her baby daughter Alexis Olympia Ohanian Jr.
The 36-year-old American barely broke sweat in a one-sided first set but was tested by the world number 135 in the second without ever looking troubled.
Players competed at empty stadiums at Melbourne Park through the five-day lockdown but reduced capacity crowds of 7,477 have been permitted in each of Thursday's two sessions and the same number for the singles finals sessions on Saturday and Sunday.
The 20-year-old is on the longest unbeaten run in the women's tour since Serena Williams bagged 34 victories in succession in 2013.
Tennis superstar Serena Williams has her daughter Alexis Olympia Ohanian literally walking in her footsteps.
Alexis Olympia Ohanian donned braids with white beads on them, just as her mother Serena did when she first won the US Open as a teenager in 1999.
Vogue magazine, who were given exclusive rights to the photographs of the 'wedding of the year', put out some pictures from the Beauty and the Beast-themed wedding on their Instagram page.
Djokovic left little doubt that he would also be there trying to win major number 23.
The mother of one arrived at the 2019 French Open making another fashion statement
The list pays tribute to the most stylish athletes in sport, including stars at the top of their games in tennis, basketball, football, golf and more.
Serena Williams showed glimpses of what lies in store for rivals this season
Australian Open champion Caroline Wozniacki has called for 23-time Grand slam winner Serena Williams to be seeded at next month's Wimbledon Championships ahead of the All England Club's meeting on Tuesday.
Bollettieri founded the Nick Bollettieri Tennis Academy in 1978. It was bought by the International Management Group in 1987.
23-times Grand Slam winner Serena Williams said she is a Roger Federer 'superfan'.
Sharapova's quarter-final defeat by Williams at the 2016 Australian Open was the last competitive match the Russian played for 15 months after she received a doping ban while American Williams was on a maternity break for most of 2017.
Romania's Italian Open winner Simona Halep, Spain's Garbine Muguruza and US Open semi-final foe Victoria Azarenka of Belarus present a major challenge for Serena Williams at the upcoming French Open.
World number two Aryna Sabalenka will not play at the Indian Wells tournament after testing positive for COVID-19, the 23-year-old said.
An inspired Halep took full advantage of an error-strewn display by seven-time champion Williams to become the first Romanian to win the Wimbledon title.
Naomi Osaka beat Jennifer Brady to win her second Australian Open title and fourth Grand Slam crown, extending her win streak to 21 matches.
Williams has just one professional tournament remaining before she drops the curtain on her historic career
'I grew up watching her. That's the reason why I play tennis'
Serena Williams has defeated her compatriot in four straight matches since a defeat in the quarter-finals of the 2013 Australian Open.
With no standout favourite in the women's field, it could provide an ideal stage for American Serena Williams to finally end her quest for an elusive 24th Grand Slam title.
Serena Williams shook off some COVID-19 layoff rust to grind out a 7-6(6), 3-6, 7-6(0) win over Dutch qualifier Arantxa Rus on Monday to move into the third round of the Western and Southern Open.
Will Smith, who had once portrayed the irreverent Muhammad Ali with such aplomb, brings the character of Richard Williams alive. The accent, the dialect, the body-language and the ever-present chip on the shoulder, observes Deepti Patwardhan.
Serena Williams survived another scare to beat older sister Venus 3-6, 6-3, 6-4 on Thursday in the latest instalment of their reluctant on-court sibling rivalry to reach the quarter-finals of the inaugural Top Seed Open in Lexington, Kentucky.
List of Wimbledon women's singles champions:
Serena Williams ended the fairytale run of Mirjana Lucic-Baroni at the Australian Open on Thursday with a crushing 6-2, 6-1 win that set up a final against her sister Venus.
Eager to witness what many felt would be Serena Williams's final competitive match, thousands of fans poured into the Arthur Ashe stadium.
The World No 1 Serena was joined by Hollywood actress Eva Longoria at a Champ'Seed party in Monaco.
Halep, who won the French Open in 2018 and Wimbledon the following year, struggled for results last year due to injuries and reached only one WTA final, at the Transylvania Open, losing in her home tournament.