Lefty Masahiro Doi combined with reliever Shuji Yoshida on an eight-hitter as the Pacific League front-running Daiei Hawks defeated Seibu 6-2 at the Fukuoka Dome on Wednesday, widening their lead over the second-place Lions to 2 1/2 games.

Doi allowed two runs on six hits over seven innings and picked up his third win in 11 outings. Yoshida got the save.

Seibu starter Tetsuya Shiozaki took the loss (2-5).