The year 2003 was Tsikhan's break out season. He surpassed the 80-metre barrier for the first time. He became world champion for the first time in 2003 in Paris, with a throw of 83.03 meters. He won the 2003 Summer Universiade, and finished third at the inaugural World Athletics Final. He had a best of 84.32 metres, achieved in August in Minsk.