That's what you call dominance.

Shohei Otani, the baby-faced assassin of the Japan national team, was the king of the mound against South Korea in Sunday's tournament opener at the inaugural Premier 12 at Sapporo Dome.

The 21-year-old right-hander blanked the Koreans, fanning 10 on 91 pitches in six innings of work, in a 5-0 win.