 Standings at start of day | Results for August 30, 1888 Game 356: St. Paul 8, Des Moines 2 |
| Game 356: St. Paul @ Des Moines St. Paul 8, Des Moines 2 St. Paul Globe  | Game 357: Davenport @ Omaha Omaha 7, Davenport 1 Omaha Daily Bee  | Game 358: Milwaukee @ Sioux City Milwaukee 7, Sioux City 6 Sioux City Journal  |