 Standings at start of day | Results for July 20, 1888 Game 229: Des Moines 7, Kansas City 5 |
| Game 229: Kansas City @ Des Moines Des Moines 7, Kansas City 5 Kansas City Times  | Game 230: Chicago @ Minneapolis Chicago 5, Minneapolis 2 St. Paul Globe  | Game 231: Sioux City @ Omaha Omaha 17, Sioux City 13 Omaha Daily Bee  | Game 232: Milwaukee @ St. Paul Milwaukee 6, St. Paul 2 St. Paul Globe  |