[2][3] Şaşma improved his own record for juniors (U20) from 5.13 m to 5.20 m at the Olympic Trials Competition in Mersin in May 2018.

[4] He won the bronze medal at the 2018 Balkan Athletics Championships in Stara Zagora, Bulgaria.

[5] At the First League of the 2019 European Athletics Team Championships in Sandnes, Norway, he took the bronze medal, and improved the national record in the Indoor U23 category about 1 cm to 5.41 m.[6] In 2020, Şaşma captured the gold medal at the Balkan Athletics Indoor Championships in Istanbul, Turkey.

[7] He broke a new national record by jumping 5.80 m at the 3rd Orhan Altan Cup in Ankara by June 2021, and obtained so a quota for the 2020 Summer Olympics.

[1][8] In July, he won the bronze medal at the 2021 European Athletics U23 Championships with 5.60 m; the same mark as Sondre Guttormsen.