Zarzu competed in a friendly meet between Belgium, France, and Romania and helped the Romanian team win the gold medal.[5] She competed at the 2014 European Championships alongside Larisa Iordache, Diana Bulimar, Andreea Munteanu, and Ștefania Stănilă, and they won the team gold medal.[6] In August, at the National Championships, Zarzu placed 13th in the all-around, 6th on vault, and 4th on floor.[7] She competed at the 2014 World Championships with Larisa Iordache, Ștefania Stănilă, Andreea Munteanu, Anamaria Ocolișan, and Paula Tudorache, and they placed 4th in the team final.[8]
2015
In May, Zarzu competed at Four Nations Trophy and helped the Romanian team place 3rd after Russia and Italy.[9] She represented Romania at the 2015 European Games with Andreea Iridon and Laura Jurca, and they placed 7th in the team competition.[10] Individually, Zarzu finished 5th in the floor exercise event final.[11] In September, she competed at a friendly meet between Romania and France and helped the team win the gold medal.[12] She won the silver medal on the floor exercise at the National Championships behind Larisa Irodache, and she finished 4th in the all-around.[13]
Zarzu was selected to compete at the 2015 World Championships along with Diana Bulimar, Ana Maria Ocolişan, Laura Jurca, Larisa Iordache, and Catalina Ponor.[14] However, Ponor withdrew after having surgery, and alternate Andreea Iridon was put in.[15] On the day before the qualification round, Ocolisan injured her ankle and could not compete.[16] The Romanian team finished in thirteenth place, meaning that they did not directly qualify for the 2016 Olympics and had to compete at the Test Event.[17]
2016
Zarzu competed at the 2016 Olympic Test Event with Diana Bulimar, Maria Holbură, Anamaria Ocolișan, Cătălina Ponor, and Dora Vulcan, but the team finished 7th, meaning they did not qualify for the 2016 Olympic Games.[18] She then competed with Anda Butuc, Ocolișan, Ponor, and Holbură at the 2016 European Championships where they finished 6th in the team final.[19] In July, she placed seventh on uneven bars at the National Championships.[20]