[2] On 30 June 2016, Čančar left Olimpija and signed with Serbian team Mega Leks.

[3] On 13 March 2018, Čančar was loaned to the Spanish club San Pablo Burgos.

[5] On 22 June 2017, Čančar was selected with the 49th overall pick in the 2017 NBA draft by the Denver Nuggets.

[13] On 23 November 2022, Čančar scored a career high 20 points, along with 4 rebounds, 5 assists and 3 blocks in an overtime win against the Oklahoma City Thunder.

Čančar represented the Slovenian national basketball team at the 2020 Summer Olympics in Tokyo, Japan.