Melbourne's Herald Sun newspaper and cartoonist Mark Knight denied the image was racist.
Serena Williams has been handed a challenging draw in her quest for a record-equalling 24th Grand Slam title at the Australian Open, starting with Germany's Tatjana Maria in the first round.
Japanese star Naomi Osaka said her US Open victory in September had given her the self-belief to be able to come from behind and win tight matches.
Defending champions Switzerland sealed a 2-1 victory over six-times winners United States that left them bottom of Group B.
After a routine hold to start the match, Williams lost the next 12 games in a one-sided affair that lasted less than an hour.
Serena Williams returned to the world's top 30 in the WTA rankings released on Monday after finishing as Wimbledon runner-up.
The husband of Serena Williams admitted Sunday that he feared the tennis superstar would die after giving birth to their daughter last year.
Serena Williams will face Angelique Kerber on Saturday hoping to win an eighth Wimbledon singles title.
Serena Williams is so focused on winning an eighth Wimbledon title that she missed baby daughter Olympia's first steps.
Monday's outing was only her eighth match since giving birth and according to the WTA rankings, she is only the 181st best player in the world.
The 36-year-old said she had suffered a pectoral muscle injury in her third-round win over Julia Goerges and "can't serve at all".
Serena Williams will continue to wear her striking, all-black catsuit in her French Open second round clash on Thursday despite questions raised over whether or not it breaks the rules over appropriate on-court playing gear.
The 36-year-old downed Kristyna Pliskova of the Czech Republic 7-6 (7/4), 6-4 to register her first victory at the majors since her 2017 Australian Open triumph.
Wimbledon, with its hordes of tennis fans arriving from the world over to camp out for days or even weeks to get hold of tickets, has not faced the same problem.
Convention would have it that to succeed on the gruelling clay courts of Roland Garros requires playing a stack of matches and having miles in your legs.
Prince Harry and Meghan Markle tied the knot at Windsor Castle on Saturday in a royal wedding like no other.
"Hey y’all, so my friend's getting married today," Serena Williams said as she filmed herself standing in front of the mirror in a towel.
Serena Williams conceded she had been rusty on her return to professional tennis after more than a year away from the game but still did enough to secure a 7-5 6-3 win over Zarina Diyas
Serena Williams' return to the WTA Tour following the birth of her first child will be the "greatest challenge" of her career, according to her coach.
Serena Williams will play her first match since the birth of her daughter when she faces off against French Open winner Jelena Ostapenko at the Mubadala World Tennis Championship.