Kostya Tszyu

Within the recorded range there are 34 bouts between 1992 and 2005, about one every 4.8 months. 25 of the 31 wins came inside the distance, 6 of them in the first round. Of the 2 losses, 2 came inside the distance and none on the cards. The best win came against Julio César Chávez in 2000, who was rated 2492 at the time.

Measured by the gap on the day, the biggest upset was the win over Miguel Ángel González in 1999. The record includes 2 wins against a higher-rated opponent. The biggest upset conceded was the loss to Ricky Hatton in 2005. The rating held roughly steady across the final four bouts.