Career
At the 2012 Summer Olympics, he competed in the Men"s bantamweight, but was defeated in the second round. Abdulhamidov was involved in a controversial bout during the 2012 games. At the beginning of the third round, he was leading by 7 points.
However, in the last 2 minutes of that round, Abdulhamidov began to tire.
Shimizu repeatedly knocked him down, 6 times in total. AIBA officially overturned the ruling after an appeal by the Japanese Coach stating that Abdulhamidov should have been given at least 3 warnings and therefore disqualified.
Shimizu went on to take the bronze medal.