The 2023 World Judo Championships were held at the Ali Bin Hamad al-Attiyah Arena in Doha, Qatar, from 7 to 14 May 2023 as part of the IJF World Tour and during the 2024 Summer Olympics qualification period, concluding with a mixed team event on the final day.

Lukáš Krpálek is a Czech heavyweight judoka. A former world champion, former European champion and former and current Olympic Champion. He is the most successful judoka in Czech and Czechoslovak history, and was named Czech Judoka of the Year eight times between 2008 and 2015.