Yanovskaya teamed up with
Sergey Mozgov in 2011. They were coached mainly by
Svetlana Alexeeva at the Medvedkovo rink in Moscow.
2011–12 season: First season together Yanovskaya/Mozgov won the bronze medal at their first
Junior Grand Prix event, in
Gdańsk, Poland, and then gold in
Tallinn, Estonia. Their placements qualified them for the
Junior Grand Prix Final, where they placed second in the short dance, third in the free, and took the silver medal ahead of
Alexandra Stepanova /
Ivan Bukin. After winning the gold medal at the
2012 Winter Youth Olympics, they placed fourth at the
2012 Russian Junior Championships. At the
2012 World Junior Championships, they were third in the short dance. During the free dance the referee stopped their music because Mozgov's left bootstrap had come loose. Yanovskaya/Mozgov finished fourth overall behind American ice dancers
Alexandra Aldridge /
Daniel Eaton who moved up the rankings and took the bronze medal.
2012–13 season In 2012–13, Yanovskaya/Mozgov won a pair of silver medals at
JGP events in Austria and Slovenia and qualified for the
JGP Final in
Sochi, Russia, where they finished fourth. They won the bronze medal at the
2013 Russian Junior Championships.
2013–14 season: First JGP Final title In
2013–14, Yanovskaya/Mozgov began their season by taking gold at the
2013 JGP Slovakia in
Košice. They won another gold at the
2013 JGP Estonia, qualifying them for their third
JGP Final in
Fukuoka,
Japan. Setting personal bests, Yanovskaya/Mozgov placed first in both segments at the final and won the gold medal ahead of
Kaitlin Hawayek /
Jean-Luc Baker. After placing second to
Stepanova/
Bukin at the
2014 Russian Junior Championships, they took the silver medal at the
2014 World Junior Championships in
Sofia, finishing second to Hawayek/Baker.
2014–15 season: World Junior title Yanovskaya/Mozgov decided to remain in the junior ranks in the
2014–15 season. In addition to Moscow, they also trained in
Liepāja in the summer. Mozgov recovered from a knee injury early in the season. In the
2014–15 JGP series, the duo won gold medals in Estonia and Croatia, earning qualification to their fourth JGP Final. At the
event, held in December in
Barcelona, they outscored
Alla Loboda /
Pavel Drozd for the gold and stood atop the podium for the second consecutive year. In March, they competed at the
2016 World Junior Championships in
Tallinn, Estonia. Ranked first in both segments, they were awarded the gold medal ahead of
Lorraine McNamara /
Quinn Carpenter.
2015–16 season: Senior debut and split Although still age-eligible for junior events in the 2015–16 season, the duo decided to move up to the senior ranks. Yanovskaya injured her back and chin due to a fall on a lift during the summer but recovered "fully and quickly". Debuting on the
Grand Prix, Yanovskaya/Mozgov placed sixth at the
2015 Skate America and
2015 Trophée Éric Bompard. In December, they finished sixth at the
2016 Russian Championships in
Yekaterinburg. Mozgov ended the partnership on 4 April 2016. In May 2016, Yanovskaya said that she was searching for a new partner. == Later partnerships ==