She established a personal best in August 2015 of 14.78 meters (m) in the triple jump while winning the silver medal at the 2015 World Championships in Athletics.

[3] At the 77th Israeli Athletics Championships in early July 2013, Knyazyeva-Minenko established a new Israeli record in winning the women's triple jump with a distance of 14.50 m. At the Sainsbury's Anniversary Games Diamond League competition in London later that month, she won a bronze medal with a distance of 14.29 m in the triple jump.

Representing Israel at the 2015 World Championships in Athletics in Beijing, China, in August 2015, she won the silver medal in the triple jump, setting a new Israeli record of 14.78 meters.

[19] At the Sainsbury's Anniversary Games Diamond League competition in London on 26 July 2013, she won a bronze medal in the triple jump with a distance of 14.29 m, behind Jamaican Kimberly Williams and Russian Ekaterina Koneva.

[20] At the 14th IAAF World Championships in Athletics at Luzhniki Stadium in Moscow on 15 August 2013, at age 23 in her first major event representing Israel, Knyazyeva-Minenko came in 6th in the triple jump, with a distance of 14.33 m, after posting a 14.46 m and coming in third in the qualifying round.

[8][16][6] However, at the 78th Israel national championships at Hadar Yosef Stadium in Tel Aviv in 2014, she won a gold medal in the long jump while setting a new Israeli record with a distance of 6.52 m.[25] The distance was a new personal best for the event, and eclipsed by six centimeters Sigal Gonen’s previous Israeli record, which had stood for 28 years since 1986.

[25] Knyazyeva-Minenko won a bronze medal at the European Athletics Indoor Championships in Prague in March 2015, competing for Israel in the triple jump.

[9] At the IAAF Diamond League Bislett Games in Oslo, Norway, on 11 June 2015 she came in fifth in the triple jump, at 14.22 m.[26] Competing for Israel at the 2015 European Games on 21 June 2015, she won the triple jump portion of the Team Athletics event with a distance of 14.41 m; she also won a bronze medal for the team event.