# 1919–20 National Challenge Cup

The 1919–20 National Challenge Cup was the annual open cup held by the United States Football Association now known as the Lamar Hunt U.S. Open Cup. This edition featured 99 teams in two divisions. The western division had 41 teams in six districts while the eastern division had 58 teams also divided into six districts. The draw for the first round took place on October 13, 1919, in New York.

## Bracket

Home teams listed on top of bracket
| Third Round Dec 24-Jan 8 | Third Round Dec 24-Jan 8 | Third Round Dec 24-Jan 8 | Fourth Round Feb 6-Mar 28 | Fourth Round Feb 6-Mar 28 | Fourth Round Feb 6-Mar 28 | Quarterfinals April 4–23 | Quarterfinals April 4–23 | Quarterfinals April 4–23 | | Semifinals April 10,25 | Semifinals April 10,25 | Semifinals April 10,25 | | Final May 9 | Final May 9 | Final May 9 |
| IL | Bricklayers and Masons F.C. | w/o | | | | | | | | | | | | | | |
| IL | Lincoln Park F.C. | | | | | | | | | | | | | | | |
| IL | Lincoln Park F.C. | | IL | Bricklayers and Masons F.C. | 1 | | | | | | | | | | | |
| | | | IL | Olympia F.C. | 2 | | | | | | | | | | | |
| IL | Palmer Park | 1 | IL | Olympia F.C. | 2 | | | | | | | | | | | |
| IL | Olympia F.C. | 3 | | | | | | | | | | | | | | |
| IL | Olympia F.C. | 3 | | | | IL | Olympia F.C. | 1 | | | | | | | | |
| | | | | | | MO | Ben Millers | 2 | | | | | | | | |
| MO | Ben Millers | 2 | | | | | | | MO | Ben Millers | 2 | | | | | | | | |
| MO | Scullin Steel F.C. | 1 | | | | | | | | | | | | | | |
| MO | Scullin Steel F.C. | 1 | MO | Ben Millers | 3 | | | | | | | | | | | |
| | | | PA | McKee Sports F.C. | 2 | | | | | | | | | | | |
| PA | McKee Sports F.C. | 2 | PA | McKee Sports F.C. | 2 | | | | | | | | | | | |
| PA | Pittsburgh Terminal | 1 | | | | | | | | | | | | | | |
| PA | Pittsburgh Terminal | 1 | | | | | | | | MO | Ben Millers | 4 | | | | |
| | | | | | | | | | | MI | Packard F.C. | 2 | | | | |
| MI | Rising Star F.C. | 1 | | | | | | | | | | | MI | Packard F.C. | 2 | | | | |
| MI | Packard F.C. | 2 | | | | | | | | | | | | | | |
| MI | Packard F.C. | 2 | MI | Packard F.C. | 3 | | | | | | | | | | | |
| | | | MI | Caledonia F.C. | 2 | | | | | | | | | | | |
| MI | Caledonia F.C. | 8 | MI | Caledonia F.C. | 2 | | | | | | | | | | | |
| MI | Pontiac City | 0 | | | | | | | | | | | | | | |
| MI | Pontiac City | 0 | | | | MI | Packard F.C. | 5 | | | | | | | | |
| | | | | | | NY | Moose F.C. | 1 | | | | | | | | |
| OH | Bricklayers | 1 | | | | | | | NY | Moose F.C. | 1 | | | | | | | | |
| OH | Goodyear Tire F.C. | 3 | | | | | | | | | | | | | | |
| OH | Goodyear Tire F.C. | 3 | OH | Goodyear Tire F.C. | 1 | | | | | | | | | | | |
| | | | NY | Moose F.C. | 2 | | | | | | | | | | | |
| NY | Moose F.C. | 3 | NY | Moose F.C. | 2 | | | | | | | | | | | |
| NY | McNaughton Rangers | 1 | | | | | | | | | | | | | | |
| NY | McNaughton Rangers | 1 | | | | | | | | | | | | MO | Ben Millers | 2 |
| | | | | | | | | | | | | | | MA | Fore River | 1 |
| MA | Fore River | 3 | | | | | | | | | | | | | | | MA | Fore River | 1 |
| MA | J&P Coats | 1 | | | | | | | | | | | | | | |
| MA | J&P Coats | 1 | MA | Fore River | 3 | | | | | | | | | | | |
| | | | MA | United Shoe F.C. | 0 | | | | | | | | | | | |
| MA | United Shoe F.C. | 3 | MA | United Shoe F.C. | 0 | | | | | | | | | | | |
| CT | New Haven | 1 | | | | | | | | | | | | | | |
| CT | New Haven | 1 | | | | MA | Fore River | 3 | | | | | | | | |
| | | | | | | NY | New York F.C. | 0 | | | | | | | | |
| NJ | Babcock & Wilcox | 0 | | | | | | | NY | New York F.C. | 0 | | | | | | | | |
| NY | Newburg Shipyards F.C. | 1 | | | | | | | | | | | | | | |
| NY | Newburg Shipyards F.C. | 1 | NY | Newburg Shipyards F.C. | 1 | | | | | | | | | | | |
| | | | NY | New York F.C. | 2 | | | | | | | | | | | |
| NY | New York F.C. | 2 | NY | New York F.C. | 2 | | | | | | | | | | | |
| NJ | Erie A.A. | 1 | | | | | | | | | | | | | | |
| NJ | Erie A.A. | 1 | | | | | | | | MA | Fore River | 2 | | | | |
| | | | | | | | | | | NY | Robins Dry Dock | 1 | | | | |
| NY | Robins Dry Dock | 3 | | | | | | | | | | | NY | Robins Dry Dock | 1 | | | | |
| NY | Tebo Yacht Basin | 1 | | | | | | | | | | | | | | |
| NY | Tebo Yacht Basin | 1 | NY | Robins Dry Dock | 4 | | | | | | | | | | | |
| | | | MA | Fall River Rovers | 0 | | | | | | | | | | | |
| MA | Lynn Thistles | 0 | MA | Fall River Rovers | 0 | | | | | | | | | | | |
| MA | Fall River Rovers | 2 | | | | | | | | | | | | | | |
| MA | Fall River Rovers | 2 | | | | NY | Robins Dry Dock | 1 | | | | | | | | |
| | | | | | | PA | Bethlehem Steel | 0 | | | | | | | | |
| PA | Bethlehem Steel | 1 | | | | | | | PA | Bethlehem Steel | 0 | | | | | | | | |
| NJ | New York Ship F.C. | 0 | | | | | | | | | | | | | | |
| NJ | New York Ship F.C. | 0 | PA | Bethlehem Steel | 10 | | | | | | | | | | | |
| | | | PA | Wanderers F.C. | 0 | | | | | | | | | | | |
| CT | Bridgeport City F.C. | 0 | PA | Wanderers F.C. | 0 | | | | | | | | | | | |
| PA | Wanderers F.C. | 4 | | | | | | | | | | | | | | |
(*): replay after tied match w/o: walkover/forfeit victory awarded