Nobuhiro Matsuda doubled in two runs in the fifth inning, Tsuyoshi Wada threw six effective innings and the Softbank Hawks edged the Yomiuri Giants 2-1 on Wednesday.
The Hawks are now unbeaten in seven interleague games this season, winning five and tying two.
Matsuda doubled to left off Norihito Kaneto (1-1) to score Hiroki Kokubo and Hitoshi Tamura for a 2-0 Softbank lead in the top of the fifth at Tokyo Dome.