Her best singles performances at Grand Slam tournaments include reaching the fourth round of the Australian Open in 2020, the quarterfinals at Wimbledon in 2019 (where she defeated world No.
She has had numerous career wins over current and former top 10-players such as Barty, Elina Svitolina, Sloane Stephens, Petra Kvitová, Agnieszka Radwańska, Kiki Bertens, Naomi Osaka, Belinda Bencic, Flavia Pennetta, Garbiñe Muguruza, Daria Kasatkina, Angelique Kerber, and Julia Görges.
[4] Her sister, Sarah, who is also a tennis player, played for Vanderbilt University and had a brief professional career,[3] rising as high as No.
[7] She got her first taste of the professional circuit later that year, when she served as a hitting partner for the United States Fed Cup team in their semifinal against Russia.
[9] She later began working with Yves Boulais, the husband of former professional Patricia Hy-Boulais, alongside her sister Sarah.
Before the US Open, Riske made the decision to give up her scholarship to Vanderbilt University and turn professional largely in part due to her breakthrough year.
[12] Riske began 2010, her first full season as a professional, by reaching the semifinals of an ITF event in Rancho Mirage, California.
This led to her being offered a main draw wildcard to Wimbledon,[4] her Grand Slam debut, where she lost in a rematch against Wickmayer in the first round.
A few weeks later, she had success on grass reaching the semifinals of Nottingham and quarterfinals of the WTA Tour event Birmingham Classic.
Riske completed 2011 with a successful run in Europe winning in Joué-lès-Tours and Limoges, and finishing the year ranked 136.
At the inaugural Tianjin Open in October, Riske was seeded sixth and defeated Çağla Büyükakçay, Olga Govortsova, Varvara Lepchenko and Zheng Saisai en route to the final, without dropping a set.
"[15][16][17] Riske reached the final of the Shenzhen Open in January losing there to Agnieszka Radwańska in straight sets.
After being bageled in the opening set, and facing five championship points in the second, Riske managed a comeback to upset home favorite and world No.
1 to a third set, Riske ultimately succumbed to Williams, putting an end to the best Grand Slam run of her career.
At Toronto, her first event following Wimbledon, Riske defeated Maria Sakkari in the first round before falling to Karolína Plíšková in three tight sets.
Following Wuhan, Riske entered Beijing, where she defeated Ajla Tomljanović in the second round before falling to eventual champion Naomi Osaka.
By virtue of her performance throughout the year, Riske qualified for the Elite Trophy for the first time in her career, where she was drawn in the Camellia Group.
Riske lost both of her matches to compatriot Sofia Kenin and Karolína Muchová, and failed to progress into the semifinals.
Riske opened her season at the Brisbane International, where she fell to eventual champion Karolína Plíšková in the quarterfinals.
In doubles, Riske partnered up with Gabriela Dabrowski, the pair made it to the quarterfinals where they lost to Asia Muhammad and Taylor Townsend.
At the Linz Open, Riske won her third WTA Tour title defeating lucky loser Jaqueline Cristian.
Riske made her way to her first final at the Adelaide International where she met Madison Keys in the title match, losing 1–6, 2–6 in just an hour.
Her Miami Open campaign ended in similar fashion, falling again in the third round in straight sets but this time to Naomi Osaka.
Seeded 29th, she reached the fourth round at the US Open for a second time in her career, defeating Eleana Yu, Camila Osorio, and Wang Xiyu.
However, due to the withdrawal of defending champion, Madison Keys, Riske earned a lucky loser spot into the main draw.
[23] At the first edition of the ATX Open in Austin, Texas, she was eliminated from the tournament in the first round by compatriot Katie Volynets.
[24] In March, she played at the Indian Wells Open and lost in the first round to wildcard and compatriot, Elizabeth Mandlik, in three sets, after having a 6–3, 4–1 lead.