In the 2018 season, Shmatko suffered a toe injury and withdrew from the nominative list for the Junior Grand Prix Moscow. She returned into competition on April 4–6 at the MTM Ljubljana tournament, she took bronze in the all-around and won silver in hoop and ball finals. On May 4–6, at the 2018 Junior World Cup Guadalajara, she won gold in team, hoop and bronze with clubs. Her next event was at the Junior Grand Prix Holon where she won 3 gold medals in team, hoop and clubs. Shmatko was selected to compete at the 2018 European Junior Championships held in Guadalajara, Spain, she won team gold (together with Lala Kramarenko, Daria Trubnikova and Anastasia Sergeeva), she also qualified into the hoop and won the final with a new personal best score in hoop of 18.825. Later on Shmatko confirmed that she is no longer doing gymnastics for at least 6 months. She is currently battling with health issues and with back injury. Now she is retired.