In 2018 Season, on 30 March - 1 April, Baldassarri began the world cup events competing at the 2018 Sofia World Cup finishing 12th in the all-around, she qualified in hoop finals, finishing 5th. On 13–15 April Baldassarri competed at the 2018 Pesaro World Cup finishing 9th in the all-around, she qualified in the ribbon final. On 27–29 April she then competed in the event at the 2018 Baku World Cup where she won finished 8th in the all-around behind Japan's Kaho Minagawa, she then qualified in 1 event final. On 4–6 May she competed at the 2018 Guadalajara World Challenge Cup where she had a new highest rank all-around placement finishing 4th in the all-around behind Russia's Arina Averina, Baldassarri had an overall successful event qualifying in all apparatus finals, she won her first world cup medal a silver in ball behind Linoy Ashram, she also won a bronze in clubs, finished 5th with ribbon and hoop. On 16–17 May Baldassarri competed at the 2018 Holon Grand Prix finishing 7th in the all-around behind Salome Pazhava, she qualified in 2 apparatus finals where she won her first Grand Prix gold medal in ribbon, she also won bronze in ball.
