In 2014, Petrova once again finished fourth in the all-around at the Russian Junior Championships, this time behind Yulia Bravikova, Veronika Polyakova, and Alina Ermolova. Next, she competed at the World Cup in Lisbon where she won gold medals in team and ball and a bronze medal in clubs. Then at the World Cup in Minsk, she won gold medals in both team and clubs. She then competed at the 2014 Junior European Championships, where Petrova together with teammates Irina Annenkova, Yulia Bravikova, and Veronika Polyakova won the team gold medal. She qualified for the clubs event final where she won the gold medal with a score of 16.400.