After not being drafted in the
2017 NBA draft, Lemar signed with
SLUC Nancy of the
LNB Pro B. He finished the season with
Caen. On July 13, 2020, Lemar joined
Gaziantep Basketbol. On February 14, 2021, he joined
Reggiana of the
LBA. On August 2, 2021, he joined
Enisey of the
VTB United League. He left the team and joined
Le Mans of the
Pro A. On February 23, 2023, Lemar joined
AEK Athens, of the
Greek Basket League, replacing
Cameron McGriff on the team's squad. On July 20, 2023, he signed with
Hapoel Jerusalem of the
Israeli Basketball Premier League. On June 16, 2024, he signed with
Cedevita Olimpija of the
Slovenian Basketball League and
ABA League. On July 11, 2025, he signed with
Beşiktaş Gain of the
Basketbol Süper Ligi. ==References==