Career
Tavkazakhov qualified for the Uzbek squad in the men"s 66 kg class at the 2004 Summer Olympics in Athens. Earlier in the process, he placed second behind neighboring Kazakhstan"s Leonid Spiridonov in the same category from the Olympic Qualification Tournament in Bratislava, Slovakia. He lost his opening match 2–8 to eventual Olympic bronze medalist Makhach Murtazaliev, but bounced back to thrash Iran"s Alireza Dabir with a rigid 3–2 decision.
Placing second in the prelim pool and thirteenth overall, Tavkazakhov failed to advance to the quarterfinals.