OSAKA, Japan (Interstat) — The Orix Buffaloes aim for a series sweep when they host the Hokkaido Nippon Ham Fighters on Sunday evening at Osaka Dome.

Orix (15-9) enters the contest with the Pacific League’s best record, having won the first two games of this four-game set. The Buffaloes edged the Fighters 3-2 on Friday before a 4-2 victory Saturday, extending their winning streak against Nippon-Ham to two games after dropping three straight to the Fighters earlier this month in Sapporo.

Nippon-Ham (11-14) looks to snap a three-game skid overall. The Fighters have lost four of their last five and sit in fifth place in the six-team league.

Right-hander Koki Kitayama (1-3, 3.29 ERA) gets the start for the Fighters. Kitayama took the loss Saturday against Orix, allowing three earned runs on seven hits over five innings while striking out seven. The 25-year-old has been inconsistent this season, posting a 1.29 ERA over eight innings in two wins but an 8.44 ERA in two losses. His best outing came April 8 at Rakuten, when he tossed eight shutout innings with 10 strikeouts in a 1-0 victory.

Orix counters with right-hander Taito Takashima (3-1, 2.65 ERA). Takashima earned the win Saturday, allowing one earned run on three hits over five innings with six strikeouts. The 27-year-old has been sharp in April, posting a 2.25 ERA over his last three starts. He has worked at least five innings in three consecutive outings.

The Buffaloes’ offense is led by first baseman Ryo Ohta, who went 3-for-3 with three RBIs in Saturday’s win. Ohta has hits in four of his last six games.

Sunday’s game marks the final contest between the clubs at Osaka Dome before they meet May 1-3 in Sapporo.

First pitch is scheduled for 6 p.m. Interstat’s game simulator projects a 7-4 Orix victory, with its ELO system giving the Buffaloes a 50.6 percent probability to win.