 Standings at start of day | Results for June 9, 1888 Game 114: Omaha 2, Chicago 1 |
| Game 114: Omaha @ Chicago Omaha 2, Chicago 1 Chicago Tribune  | Game 115: Kansas City @ Milwaukee Milwaukee 8, Kansas City 3 Milwaukee Sentinel  | Game 116: St. Louis @ Minneapolis Minneapolis 5, St. Louis 2 Minneapolis Star Tribune  | Game 117: Des Moines @ St. Paul Des Moines 3, St. Paul 1 St. Paul Globe  |