Tetsuya Utsumi allowed two runs in eight innings to pitch the Yomiuri Giants to their seventh straight interleague victory on Friday.
Utsumi (4-4) allowed five hits but no walks, while striking out five in a 4-2 victory over the Chiba Lotte Marines at QVC Marine Field.
The Giants are now 10-0 with three ties since their last loss on May 5. Yomiuri has won 10 straight decisions for the first time in three years.