The Chicago Cubs defeated the San Francisco Giants 5-1 in a Major League Baseball matchup on 13 June 2026 at Oracle Park. Michael Busch delivered the decisive blow with a three-run home run, while Javier Assad pitched six strong innings to help Chicago open the three-game series with a victory.
Chicago produced an efficient offensive performance despite recording only six hits, five of which went for extra bases. The Cubs gradually built their advantage before breaking the game open in the fifth inning. Seiya Suzuki contributed two doubles and an RBI, while Nico Hoerner added a sacrifice fly to help the visitors establish control.
The key moment came in the fifth inning when Busch launched a three-run homer into San Francisco Bay, extending Chicago’s lead to 5-0 and putting the Giants under significant pressure. Busch’s eighth home run of the season proved the biggest offensive contribution in the contest.
On the mound, Cubs starter Javier Assad earned his fourth win of the season after allowing four hits over six innings. Assad struck out five batters and issued one walk, combining with two relievers to limit San Francisco’s offense for most of the night.
San Francisco avoided a shutout in the ninth inning when Bryce Eldridge hit a solo home run, one of his three hits in the game. The loss marked the Giants’ sixth defeat in their previous seven home games.
• Chicago Cubs defeated San Francisco Giants: 5-1
• Michael Busch hit a three-run home run (8th of season)
• Javier Assad: 6 innings pitched, 4 hits allowed, 5 strikeouts, 1 walk
• Seiya Suzuki recorded two doubles and one RBI
• Bryce Eldridge hit a solo home run for San Francisco
The turning point came in the fifth inning when Michael Busch’s three-run homer turned a competitive game into a commanding Cubs advantage. With Chicago extending the margin to five runs, San Francisco struggled to mount a comeback.
Final Score: San Francisco Giants 1-5 Chicago Cubs
Tournament: Major League Baseball (MLB) Regular Season
Date: Friday, 13 June 2026
Venue: Oracle Park, San Francisco, California
Winning Pitcher: Javier Assad (4th win of season)
Top Performer: Michael Busch – Three-run home run
Giants Scorer: Bryce Eldridge – Solo home run (9th inning)