On March 21, 2026, Lester Martinez defeated Immanuwel Aleem by unanimous decision in a 12-round super middleweight world title bout for the vacant WBC interim championship at National Orange Show Event Center in San Bernardino, California, USA. Martinez controlled the fight with his jab, pressure, and cleaner combinations, gradually taking over the action and outworking Aleem over the distance to secure a clear victory on the scorecards.