CHICAGO (Interstat) — Nick Kurtz hit a tiebreaking solo home run in the third inning and the Athletics added a run in the fourth to edge the Chicago Cubs 2-1 on Tuesday night at Wrigley Field before 36,065 fans in a brisk 2-hour, 19-minute game.

Gage Jump pitched six innings of four-hit ball to earn his first victory of the season, Hogan Harris worked a scoreless ninth for his fifth save, and snapped a five-game losing streak to improve to 29-31. The Cubs, who had won four of their previous five, fell to 32-29.

Chicago struck first in the bottom of the first. Nico Hoerner led off with a single to left and Pete Crow-Armstrong followed with a single to left that moved Hoerner to third. Alex Bregman then grounded out to third baseman Zack Gelof, scoring Hoerner to give the Cubs a 1-0 lead.

The Athletics answered in the top of the third. After two quick groundouts, Kurtz launched a 1-0 pitch from Cubs starter Jameson Taillon over the left-center field wall for his 11th homer of the season, tying the game 1-1.

Oakland took the lead for good in the fourth. Brent Rooker singled to center with one out, and Henry Bolte followed with a single to left that advanced Rooker to second. Jeff McNeil flied out to left, but Gelof lined a single to center that brought Rooker home and sent Bolte to second. Darell Hernaiz struck out to end the inning, but the Athletics had a 2-1 advantage.

Taillon settled after the fourth and kept the Athletics off the board for the remainder of his outing. He finished with a statline of 6 1/3 innings, six hits, two earned runs and six strikeouts, taking the loss to fall to 2-5. The Athletics had six hits in the game, while the Cubs managed four.

The Cubs had a chance to rally in the ninth. Hoerner drew a leadoff walk and Crow-Armstrong singled to right, putting runners on first and second with no outs. Bregman struck out swinging, Seiya Suzuki flied out to right and Ian Happ flied out to center to end the game, giving Harris his fifth save.

Hoby Milner pitched 1 2/3 scoreless innings of relief for the Cubs, striking out one and allowing no hits.

The game was the first of a three-game series between the two teams. The Athletics will send their starter to the mound Wednesday night against the Cubs, while Chicago will look to even the series.

Interstat’s game simulator had projected a final score of Chicago Cubs 4, Athletics 3. Interstat’s ELO system had projected the Cubs with a 62.30 percent probability to win. The Athletics had been installed as a pregame favorite with a spread of minus-1.5. The total score of 3 went over the over-under line of 8.