Lambiel won his ninth national title at the 2010 Swiss Championships. He placed first in both the short program and the free skate to win the gold medal with a total of 244.23 points, 44.78 ahead of Jamal Othman. He then competed in the 2010 European Championships in Tallinn, Estonia, where he placed fifth in the short program with 77.75 points, after having problems with his quadruple toe-loop. He rebounded in the free skate, earning 160.79 points to win the silver medal. His program components score of 85.00 was the highest of the night. Overall, he scored 238.54 points, 16.85 behind Evgeni Plushenko.