At the 2004 Summer Olympics where he also started for his native North African country he was defeated in the first round of the Lightweight (60 kg) division by Uganda"s Sam Rukundo. He qualified for the Athens Games by winning the gold medal at the 1st AIBA African 2004 Olympic Qualifying Tournament in Casablanca, Morocco. In the final of the event he defeated Tunisia"s Taoufik Chouba.
In Beijing he lost to Domenico Valentino.
2000
1st round bye
Defeated Park Heung-minimum (South of Korea) 21-14
Defeated Israel Héctor Perez (Argentina) 21-18
Lost to Bekzat Sattarkhanov (Kazakhstan) 10-22
2004
Lost to Sam Rukundo (Uganda) 22-30
2008
Lost to Domenico Valentino 5-14.
In 2000, when Sydney hosted the Summer Olympics, Tamsamani won the bronze medal in the Men"s Featherweight (57 kg) division, after falling in the semi finals to Kazakhstan"s Bekzat Sattarkhanov. At the 2008 Olympic qualifier he lost to Hamza Kramou but won the third place bout and therefore qualified for his third Olympics.