Rookie Takahiro Shiomi (6-7) pitched 6⅓ scoreless innings as the Tohoku Rakuten Golden Eagles beat the Fukuoka Softbank Hawks 2-0 on Friday.
Rakuten collected its sixth straight victory, its longest winning streak in two years.
Kensuke Uchimura had a two-run single in the fifth off Sho Iwasaki (5-2) at Kleenex Stadium.