 Standings at start of day | Results for July 6, 1888 Game 185: Des Moines 12, Sioux City 0 |
| Game 185: Sioux City @ Des Moines Des Moines 12, Sioux City 0 Sioux City Journal  | Game 186: Milwaukee @ Minneapolis Milwaukee 4, Minneapolis 1 St. Paul Globe  | Game 187: Kansas City @ Omaha Kansas City 8, Omaha 5 Omaha Daily Bee  |