[1] He represented Latvia at the 2020 Summer Olympics and together with Jeļena Ostapenko was delegation's flag bearer at the opening ceremony.

He spent several seasons in the Latvian Basketball League (LBL), where he represented multiple teams, including ASK/Rīga, Ķeizarmežs, Barons/LMT, Valmiera Glass/VIA, and BK Jelgava.

Čavars made his mark on the international stage in 3x3 basketball, representing Latvia at the 2020 Summer Olympics in Tokyo.

Čavars, along with teammates Nauris Miezis, Kārlis Pauls Lasmanis, and Edgars Krūmiņš, won the gold medal, defeating the Russian Olympic Committee team 21:18 in the final.

[7][8] Čavars was also one of Latvia's flag bearers at the Olympic opening ceremony, alongside tennis player Jeļena Ostapenko.