SAN DIEGO -- Team Japan absolutely had to beat South Korea.

News photo Koji Uehara fires in a pitch during Team Japan's World Baseball Classic semifinal semifinal clash against South Korea in San Diego.

Koji Uehara was absolutely unstoppable, and the Japanese turned tables on South Korea, avenging two World Baseball Classic losses with a 6-0 win in the semifinals Saturday night at Petco Park, riding Uehara's dominance and unexpected heroics from WBC goat Kosuke Fukudome.