Career
Caliskan made his official debut, as part of his naturalized Austrian squad, at the 2000 Summer Olympics in Sydney, where he competed in the men"s featherweight class (68 kg). He crashed out in the opening match 3–7 to South Korean fighter and eventual silver medalist Sin Joon-sik, but mounted his strength to edge past Russia"s Aslander Dzitiev (0–6) and then scored a 4–4 victory over Germany"s Aziz Acharki upon the referees" decision in the repechage rounds. Caliskan secured his place for a chance of an Olympic bronze medal, but narrowly missed out in a tough 2–4 defeat to Iran"s Hadi Saei, relegating him to fourth.
At the 2004 Summer Olympics in Athens, Caliskan qualified for his second Austrian squad in the men"s featherweight class (68 kg), by placing second behind Azerbaijan"s Niyamaddin Pashayev and granting a berth from the European Olympic Qualifying Tournament in Baku, Azerbaijan.
Following Caliskan"s unprecedented victory, Liango was sent to a nearby hospital and diagnosed with concussion.