series
| Dec. 15, 1917 | USOC | 1918 | 2 | Homestead Steel Works | 1 - 3 | McKeesport FC | 1 | |
| Dec. 1, 1917 | USOC | 1918 | 2 | Homestead Steel Works | 4 - 1 | McKeesport FC | 1 |
scoreboard
| USOC | 1918 | 2 | Clan MacDonald FC | 1 - 3 | Interborough Rapid Transit FC | Lenox Oval | 2 |
| USOC | 1918 | 2 | Disston | 2 - 1 | Puritan Y.M.L. | 1 | |
| USOC | 1918 | 2 | Bethlehem Steel | 2 - 0 | Veteran AA | 2 |