Ashlyn Krueger

In 2020, Ashlyn Krueger won the Orange Bowl junior tournament as a wildcard player.

Krueger made her WTA 1000 debut in Indian Wells, after receiving a wildcard for the main draw but lost to Tereza Martincova.

Krueger made her WTA Tour main draw doubles debut at the 2021 Silicon Valley Classic, where she received a wildcard, partnering Robin Montgomery. She also received a wildcard on her Grand Slam debut at the 2021 US Open in singles and doubles.

Krueger qualified for the main draw of the WTA 1000 in Indian Wells in 2022 and in 2023 after receiving a qualifying wildcard but on both occasions lost to Yulia Putintseva and Jil Teichmann respectively. She also received wildcards for the main draw at the 2022 and the 2023 Miami Open but lost both first rounds to Wang Qiang and Erika Andreeva, respectively. At the 2022 US Open, Krueger qualified thanks to a wildcard for the main draw but lost in the first round to Victoria Azarenka.

She recorded her first top 20 victory over world No. 19 Viktoria Azarenka at the 2023 Rosmalen Open, getting her revenge for the US Open loss, to reach her first WTA Tour quarterfinal where she lost to Viktória Hrunčáková. Krueger won her first WTA 125 title at the 2023 Veneto Open defeating Tatjana Maria in the final, in three sets.

She won her first WTA 250 title at the 2023 Japan Women's Open without dropping a set, defeating Zhu Lin in the final. As a result, she reached world No. 73, climbing 50 spots on 18 September 2023, becoming the seventh American to make her top 100 debut in 2023 and the first American teenager to crack the top 100 since Gauff as a 15-year-old on 14 October 2019. She qualified for the WTA 1000 China Open but lost in the first round to Ons Jabeur.

She qualified for the WTA 1000 Qatar Ladies Open and lost to wildcard player Paula Badosa. Following a second round showing as a wildcard at the next WTA 1000, the Dubai Championships, with an upset over world No. 21, Caroline Garcia, she reached the top 70 in the rankings. It was her second career top 25 win and her first main-draw win in a WTA 1000 event. Krueger lost to Karolina Plíšková in three sets.

Playing with Sloane Stephens, Krueger won the doubles at the Charleston Open, winning the final in a deciding tiebreak against Ukrainian sisters Lyudmyla and Nadiia Kichenok.

At the Madrid Open, she reached the third round of a WTA 1000 for the first time defeating Nao Hibino and upsetting 14th seed Ekaterina Alexandrova, before losing to qualifier Sara Bejlek.

She made the round of 16 at the Canadian Open as a qualifier, defeating Elisabetta Cocciaretto and 15th seed Leylah Fernandez. Despite missing out on the quarterfinals after a loss to Jessica Pegula, she climbed to a new career-high ranking in the top 65, moving close to 20 positions up in the rankings on 12 August 2024. She defeated former world number one, Naomi Osaka, in qualifying for the Cincinnati Open where she beat 16th seed Donna Vekić in the first round, before losing to Diana Shnaider.

At the US Open, she reached the third round of a Grand Slam for the first time, defeating Zhang Shuai and upsetting world No. 21, Mirra Andreeva. Krueger lost to 16th seed Liudmila Samsonova in straight sets.

At the Guadalajara Open, she defeated Tatjana Maria, before losing in three sets to fifth seed and eventual champion Magdalena Fręch in three sets.

In November, Krueger made her Billie Jean King Cup debut, partnering Taylor Townsend in a losing effort in the deciding doubles match against Viktória Hrunčáková and Tereza Mihalíková as the USA were eliminated by Slovakia in the first round.

Krueger started her 2025 season at the Brisbane International, where she defeated Moyuka Uchijima, sixth seed Anna Kalinskaya and Suzan Lamens to reach her first WTA Tour quarterfinal since 2023. She lost in the last eight to qualifier Polina Kudermetova. The following week, Krueger gained entry into the Adelaide International as a lucky loser, and reached the quarterfinals, overcoming Marta Kostyuk and fifth seed Paula Badosa. She retired due to a thigh injury while trailing by a set and a break in her last eight match against top seed Jessica Pegula.