The fourth round of the World Cup of Boulder sport climbing was held in the Czech Republic, and in the women's competition, Tokyo Olympic silver medalist Moe Nonaka finished fourth in the Japan and Futaba Ito finished sixth. The winner was 21-year-old Orianne Berton of France.
Sport climbing boulder is an event called "challenge" in which participants compete to see how many times they have climbed a course within a time limit. The fourth match took place in Prague on 4 September Japan.