Career
In 2003 after winning K-1 Moscow Grand Pix with three consecutive KO"s Alexander Ustinov earned his spot at the K-1 World Grand Prix 2003 in Paris. In December 2003 he continued his strong performances at the tournaments winning the K-1 Spain General Practice in Barcelona. On 7 August 2004 Alexander Ustinov was invited to participate at K-1 World General Practice 2004 Battle of Bellagio World War II On his biggest tournament of his career, he was matched up against the towering South African fighter January "The Giant" Nortje.
After winning another K-1 tournament in France in January 2006, his next fight was in K-1 Slovakia against Bjorn Bregy from Switzerland.
In first round Bregy hit Ustinov with a knee to the groin and referee gave Alexander the standing 8 count. After the controversial decision by the referee the fight was later changed to a Number Contest.
Professional boxing career Alexander Ustinov was set to fight Kubrat Pulev on 29 September 2012 for IBF Number. 1 position. He was defeated by Pulev for the first time in his professional boxing career.
On Saturday 26 July 2014, he was to fight Tyson Fury as a late replacement for the injured Dereck Chisora.