Along with Beatriz Haddad Maia, Danilina attained her women's doubles breakthrough, reaching the final of the 2022 Australian Open but Barbora Krejčíková and Kateřina Siniaková defeated them, in three sets.

[3] Singles: Doubles: With the beginning of her professional career hampered by injuries, Danilina decided in 2015 to attend an American university so she could study and play college tennis.

At the Poland Open held in Gdynia, Danilina reached the final and won her first WTA Tour doubles title, partnering with Lidziya Marozava.

Danilina was playing an ITF tournament in Monastir, Tunisia, when Beatriz Haddad Maia invited her to serve as her partner during the 2022 Australian Open, following an injury to Nadia Podoroska.

[7][8] At the major level, Danilina became the first Kazakhstani woman to reach the final, upsetting second seeds Shuko Aoyama and Ena Shibahara in the semifinal of the Australian Open.

At the 2023 US Open, she won the mixed doubles with Finn Harri Heliövaara, who she met at the sign-in line and decided to make a pair that wound up winning the entire event at Flushing Meadows.

[21][22] She qualified into the main draw of the newly upgraded WTA 500 2024 Monterrey Open making her singles debut at this level, losing in the first round to sixth seed and eventual champion Linda Nosková[23] At the same 500-level at the 2024 Guadalajara Open, she won the doubles title with Irina Khromacheva, defeating Oksana Kalashnikova and Kamilla Rakhimova in the final in a champions tie-break.

[27] Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.