Shohei Tateyama pitched seven solid innings and extended his winning streak to 13 decisions dating back to last August, leading the Tokyo Yakult Swallows to a 9-3 victory over the Tohoku Rakuten Golden Eagles on Friday.
Tateyama (7-0) became the first seven-game winner in the Central League after holding Rakuten to two runs and three hits in interleague play at Jingu Stadium.
Yakult took a 2-0 lead in the third inning when Kazuki Fukuchi and Norichika Aoki had consecutive RBI hits.