[3] After winning her eighth ITF title at the $25k event in Hong Kong,[2] Golubic reached her first Grand Slam main draw at the Australian Open through qualifying and lost to Carla Suárez Navarro in the first round of the tournament.

[2][3] At the Katowice Open, Golubic entered the main draw as a qualifier and beat Paula Kania in the first round before losing to Tímea Babos.

[3] Golubic started her grass-court season at the Rosmalen Championships, entering the main draw as a qualifier and defeating Anna-Lena Friedsam and Risa Ozaki en route to her first tour quarterfinal, before losing to Belinda Bencic.

7 seed Mona Barthel, Evgeniya Rodina, Carina Witthöft and Rebeka Masarova en route to her first WTA tournament final.

She then won her biggest title since 2016 at the Indian Wells Challenger, saving a championship point against Jennifer Brady in the final.

[3] At Wimbledon, she reached the third round of a major for the first time by defeating Iga Świątek and Yulia Putintseva,[9] but then lost to Dayana Yastremska.

Her most significant result came at the $80k Open de Cagnes-sur-Mer in September, when she reached quarterfinals and lost to Sara Sorribes Tormo.

Having won 43 matches already in 2021, Golubic guaranteed herself a top-50 debut with this breakthrough run, moving 18 places to world No.

[12][13] At the 2022 Indian Wells Open, she reached the fourth round at a WTA 1000-level for the first time in her career,[14] before losing to Elena Rybakina.

[15] At the 2024 Australian Open, she recorded her first wins at this major defeating 15th seed Veronika Kudermetova[16] and Kateřina Siniaková,[17] and returned to the top 75 in the rankings, at No.

[19] Golubic defeated former champion and 24th seed Barbora Krejčíková in the first round at the 2024 French Open,[20] but could not build on her momentum, losing her next match to Anastasia Potapova.

[26][27] In the final, Golubic defeated second seed Rebecca Šramková in straight sets to claim her second WTA title and first since 2016 and move up to No.

[28][29][30] Seeded seventh, Golubic overcame lucky loser Ekaterina Makarova,[31] Mariam Bolkvadze,[32] wildcard Carole Monnet,[33] and sixth seed Nuria Parrizas-Diaz[34][35] to reach the final at the 2024 Open de Limoges, where she defeated Céline Naef to take her fourth WTA 125 title.

During the 2016 Fed Cup semifinals, Golubic earned surprising wins over Karolína Plíšková and Barbora Strýcová, defeating both in three sets.

[39] In her first participation at the Summer Olympics in Tokyo, Golubic advanced to the doubles final with Belinda Bencic by defeating Brazilian pair Laura Pigossi and Luisa Stefani.