Brady first rose to prominence following her surprise run to the fourth round of the 2017 Australian Open as a qualifier, registering victories over Heather Watson and 14th seed Elena Vesnina.

She also reached the fourth round of that year's US Open, defeating Barbora Strýcová and Monica Niculescu before falling to then-world No.

Following struggles with injuries and an increased focus on doubles, including a semifinal showing at the 2019 Australian Open, Brady returned to prominence in singles in 2020, where she defeated Maria Sharapova, and recorded her first No.

She won her first WTA singles title at the Top Seed Open in Lexington, Kentucky, where she defeated Jil Teichmann in straight sets.

At the first Grand Slam of the following year, Brady reached her first major final at the 2021 Australian Open, where she lost to Naomi Osaka.

Brady had previously attended the University of California, Los Angeles (UCLA) and made her debut for the Bruins tennis team in 2013.

[3] During her freshman year at UCLA, she helped her team win the 2014 Division 1 Women's Tennis National Championship in Athens, Georgia.

Brady made her Grand Slam debut at the 2014 US Open, having received a wildcard with Samantha Crawford for the women's doubles main-draw.

Brady reached the singles main draw of a Grand Slam tournament for the first time at the Australian Open, after winning all three of her qualifying matches.

[7] Due to her success at the Australian Open, Brady obtained a spot in the main draw of the remaining three Grand Slam tournaments without playing qualifyings.

[11] In March, she reached the final of the WTA 125 Indian Wells Challenger with King, where they fell to Taylor Townsend and Yanina Wickmayer in two sets.

[16] Brady's next notable result of the year came during the grass-court swing at the Nottingham Open when she reached semifinals, before falling to eventual champion Caroline Garcia, in three sets.

[18] Brady began the season at the Brisbane International, where she made it through qualifying and went on to defeat Maria Sharapova, before stunning world No.

[20] In doubles, she reached the quarterfinals for the third consecutive year, but she and Caroline Dolehide fell to top seeded Hsieh Su-wei and Barbora Strýcová, in straight sets.

[citation needed] Brady made it through qualifying at the Dubai Tennis Championships and then secured her second win over a top-10 opponent of her career when she defeated No.

1, Garbiñe Muguruza, defeating her in a three-setter to move on to her first Premier semifinal,[22] where she lost in two sets to eventual champion Simona Halep.

She then recorded another straight-sets win over the 23rd seed Yulia Putintseva to reach her first Grand Slam semifinal, which she lost to Naomi Osaka in three sets.

At the Australian Open, Brady beat Aliona Bolsova, Madison Brengle, Kaja Juvan, Donna Vekić, Jessica Pegula, and Karolína Muchová to reach her first major final in which she was defeated by Naomi Osaka, in straight sets.

[29] Brady wanted to return to professional tennis at the French Open, however, these plans were stopped by a foot injury.

Her greatest weapon is her forehand, which is hit with heavy topspin, pushing her opponents far beyond the baseline, allowing her to accumulate a high number of winners with this shot.