Kintetsu right-hander Hisashi Iwakuma pitched his eighth complete game win of the year as the Buffaloes edged the Orix BlueWave 2-1 at Osaka Dome on Sunday.

Iwakuma (11-5) walked two and struck out seven in his 17th outing of the season. He gave up one run, on a Takeshi Hidaka RBI single in the fourth, as Kintetsu halted Orix's winning streak at five.

Mac Suzuki (2-5) carried a three-hitter over five innings, limiting the Buffaloes to two runs in taking the loss.