round. In July, she won the $50k Lexington Challenger, beating Nicole Gibbs in the final. Later in the year, she was awarded a wildcard into the main draw of the US Open, where she recorded her first ever Grand Slam win over Julia Glushko of Israel. She moved into the top 100 for first time on September 29, 2014, after winning the $50k event Redrock Open in Las Vegas defeating Nicole Vaidišová, Kateryna Bondarenko and Michelle Larcher de Brito, all in straight sets. 2015-16: Australian Open fourth round, top 35 debut, career-high ranking At the 2015 Australian Open Brengle defeated the 13th-ranked Andrea Petkovic in the first round. Then, she won in straight sets against both Irina Falconi and CoCo Vandeweghe, eventually losing in the fourth round to Madison Keys, 2–6, 4–6. This was her best performance in a Grand Slam tournament so far. In Stuttgart, she defeated No. 4 ranked Petra Kvitová, in straight sets. In May, her singles ranking reached a career-best of No. 35 in the world. She finished the 2015 season ranked No. 40. In 2016 in Dubai, she defeated No. 8 ranked Kvitová in three sets. 2017: First Wimbledon third round Brengle began the season with an upset win over compatriot and world No. 2, Serena Williams, at the Auckland Open. Then, she won the $60k tournaments of Charlottesville and Charleston. At Wimbledon, she beat No. 12 ranked Petra Kvitová, in the second round. 2020-21: Second US Open and Wimbledon third rounds At the 2020 US Open, Brengle reached the third round for a second time since 2015 in which she was defeated by eventual quarterfinalist Shelby Rogers. She also reached the third round at 2021 Wimbledon for the second time in her career, and sixth at a major overall, defeating two fellow Americans en route Christina McHale and fourth seed, world No. 6 and former Grand Slam champion, Sofia Kenin. She finished the 2021 season ranked No. 58 in the world. 2022: Two WTA 1000 third rounds, back to top 50 Among Brengle's top upsets were her defeat of world No. 30, Liudmila Samsonova, in straight sets at the Miami Open to reach her second third round at this event and third overall at a WTA 1000 level, and of world No. 28 and third seed, Ekaterina Alexandrova, at the Cleveland in August to reach the quarterfinals. Brengle reached back the top 50 at