 Standings at start of day | Results for June 15, 1888 Game 134: Milwaukee 9, St. Louis 5 |
| Game 134: St. Louis @ Milwaukee Milwaukee 9, St. Louis 5 Milwaukee Sentinel  | Game 135: Kansas City @ Minneapolis Minneapolis 3, Kansas City 2 Minneapolis Star Tribune  | Game 136: Omaha @ St. Paul St. Paul 5, Omaha 2 St. Paul Globe  |