At the 78th Israel national championships in 2014, Knyazyeva-Minenko won a gold medal in the long jump while setting a new Israeli record and personal best with a distance of 6.52 m. She won a bronze medal in the triple jump at the European Athletics Indoor Championships in Prague in March 2015, becoming the first Israeli woman to win a track and field medal at a major European championship. She jumped a distance of 14.49 m, setting a new Israeli national indoor record. Competing for Israel at the 2015 European Games in June 2015, she won the triple jump competition that formed part of the Athletics event at the 2015 European Games, though no individual medal was awarded to her as the competition was a team event only; she also won a bronze medal for the team event. 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. Knyazyeva-Minenko represented Israel at the 2016 Summer Olympics in the triple jump, coming in fifth.