 Standings at start of day | Results for June 1, 1888 Game 90: Des Moines 21, St. Louis 7 |
| Game 90: St. Louis @ Des Moines Des Moines 21, St. Louis 7 Des Moines Register  | Game 91: St. Paul @ Milwaukee Milwaukee 3, St. Paul 1 Milwaukee Sentinel  | Game 92: Kansas City @ Omaha Omaha 8, Kansas City 4 Omaha Daily Bee  |