Wladimir Klitschko is renowned for his exceptional technical skills, powerful jab, and strategic approach in the ring, which allowed him to dominate the heavyweight division for over a decade.

He holds a PhD in Sports Science, reflecting his academic achievements alongside his athletic career.

Together with his brother, Vitali Klitschko, they were known as the "Klitschko Brothers," both holding world heavyweight titles simultaneously, a unique occurrence in boxing history.

After retiring from boxing, Klitschko has been involved in various business ventures, motivational speaking, and has played a significant role in supporting Ukraine during times of conflict.

WBO Heavyweight Champion (2000–2003, 2008–2015)

IBF Heavyweight Champion (2006–2015)

WBA (Super) Heavyweight Champion (2011–2015)

The Ring Heavyweight Champion (2009–2015)

Held the unified WBA (Super), IBF, WBO, IBO, and The Ring Heavyweight titles.

Second-longest cumulative title reign for a heavyweight champion, totaling 4,382 days.

Defeated 23 opponents in world heavyweight title fights, more than any other heavyweight in history.

Inducted into the International Boxing Hall of Fame in 2021.

Vs. Chris Byrd (October 14, 2000): Won by unanimous decision to claim the WBO Heavyweight title, marking his first world championship victory.

Vs. Corrie Sanders (March 8, 2003): Lost by TKO in the 2nd round, resulting in the loss of the WBO title.

Vs. Samuel Peter (September 24, 2005): Won by unanimous decision in a crucial bout that revitalized his career, leading to future title opportunities.

Vs. Chris Byrd II (April 22, 2006): Won by TKO in the 7th round to capture the IBF Heavyweight title, beginning his dominant reign as a unified champion.

Vs. Ruslan Chagaev (June 20, 2009): Won by RTD in 9th round to win vacant The Ring Heavyweight title.

Vs. David Haye (July 2, 2011): Won by unanimous decision, adding the WBA (Super) Heavyweight title to his collection and further unifying the division.

Vs. Tyson Fury (November 28, 2015): Lost by unanimous decision, ending his long-standing reign as heavyweight champion.

Vs. Anthony Joshua (April 29, 2017): Lost by TKO in the 11th round in a highly anticipated bout, after which he announced his retirement from professional boxing.