In 1998, Yagudin led a Russian sweep of the medals at the 1998 European Championships with Evgeni Plushenko in second and Alexander Abt in third. Later that year, he competed at the 1998 Nagano Winter Olympics despite a severe case of pneumonia, and finished in 5th place. A month later, he won the 1998 World Championships. He became the first Russian single skater from the post-Soviet era to win the World title. He was the second-youngest male World Champion at the age of 18 years and 15 days, 6 days older than Donald McPherson in 1963. About two months after the event, Yagudin left Mishin and joined Tatiana Tarasova, who would coach him until his retirement in 2003.