Missing world number one Ashleigh Barty in Prague, Australia could rely on Gavrilova, the world number 412, as they beat Belgium 2-1 in Group B.
In windier, cooler and more overcast conditions than the sweltering opening two days of the competition, Osaka compiled 29 winners to Golubic's 14 and had only 11 unforced errors to her opponent's 21.
Eastbourne defending champion Karolina Pliskova beaten by Camila Giorgi, Jelena Ostapenko, Elina Svitolina win
The fifth-seeded Czech was beaten 2-6, 6-2, 6-2 by Italian qualifier Giorgi in the first round of the Wimbledon warm-up event on England's south-coast.
A look back at the two weeks of French Open which crowned Novak Djokovic and Barbora Krejcikova as the men's and women's champions.
Krejcikova, ranked 33 in the world and playing just her fifth main draw in a Slams singles event, triumphed 6-1, 2-6, 6-4 for a second career title.
In the French Open 2021 women's final, Barbora Krejcikova beat Anastasia Pavlyuchenkova 6-1, 2-6, 6-4 for her maiden Grand Slam title.
Anastasia Pavlyuchenkova and Barbora Krejcikova, two of the most unlikely Grand Slam finalists of the modern era, meet in French Open title match at the conclusion of a shock-heavy tournament.
French Open 2021 Live Streaming: When and where to watch Krejcikova vs Pavlyuchenkova women's singles final
Here are all the live streaming details about French Open 2021 women's singles final between Anastasia Pavlyuchenkova and Barbora Krejcikova
Pavlyuchenkova, a quarter-finalist in Paris a decade ago, became the first woman to play more than 50 majors before making her first final, breaking the previous mark of 44 set by 2015 US Open runner-up Roberta Vinci.
French Open Live: Live score and updates of the women's singles semi-finals from Roland Garros.
For just the second time in the Open era, there are four first-time major semi-finalists in the women's singles, after the 1978 Australian Open.
French Open 2021: Tsitsipas downs Medvedev to set up semis with Zverev; Zidansek, Pavlyuchenkova progress to last-4
No 31 seed Anastasia Pavlyuchenkova of Russia and 85th-ranked Tamara Zidansek of Slovenia each earned her first berth in a major semi-final.
Serena, still one short of Margaret Court's all-time record of most Grand Slam singles titles, has not gone beyond the fourth round at Roland Garros since losing the 2016 final.
Williams needed three sets to get by Mihaela Buzarnescu in the previous round and she clearly did not want to go the distance again this time, beating Collins 6-4, 6-4.
French Open 2021: Serena Williams continues quest for 24th Grand Slam title; Alexander Zverev makes last 16
Stefanos Tsitsipas is well-fancied to reach his maiden Grand Slam final, with Rafael Nadal, Novak Djokovic and Roger Federer all in the other half of the draw.
Qatar Open: Former champions Karolina Pliskova, Petra Kvitova, Victoria Azarenka through to quarters
It was Jabeur who defeated the Czech during their last encounter in Doha in 2020 but this time it was 2017 Qatar champion Pliskova who booked her ticket to her first hard-court quarter-final since 2020 Dubai.
It was an effortless performance from US Open champion Osaka, who revealed she was battling nerves ahead of the year's opening Grand Slam.
Australian Open 2021: Serena Williams, Naomi Osaka sail into second round; Angelique Kerber, Gael Monfils out at first hurdle
Venus Williams, on Monday, won a Grand Slam match for the first time since 2019.
Australian Open 2021: Serena Williams beats Daria Gavrilova at tuneup event; Simona Halep, Kevin Anderson win
The 39-year-old American, a seven-time Australian Open champion, restarted her lengthy quest for a 24th Grand Slam singles title with a 6-1, 6-4 win over Daria Gavrilova on Monday in a tuneup tournament at Melbourne Park.