| Round of 32 |
| Eastern Bracket |
| 2/10/46 |
|
Brooklyn Wanderers |
2: 1 |
German Hungarian SC (NYC) |
| 3/10/46 |
|
Brooklyn Hispano |
3 : 0 |
Hakoah SC (NYC) |
| 3/17/46 |
|
Baltimore SC |
4 : 2 |
Ruggiero SC (Bal.) |
| 3/17/46 |
|
Baltimore Americans |
6 : 1 |
Hasslinger SC (Bal.) |
| 4/21/46 |
|
New York Americans |
5 : 1 |
Eintracht SC (NYC) |
| 4/21/46 |
|
Kearny Americans |
1 : 0 |
Elizabeth SC |
|
|
Ponta Delgada |
|
|
|
|
Philadelphia Americans |
|
|
| Western Bracket |
| 1/6/46 |
|
Castle Shannon (W. Pa.) |
4 : 3 |
Morgan Strasser (W. Pa.) |
| 1/13/46 |
|
Heidelberg Losegos (W. Pa.) |
2 : 1 |
Sturgeon (W. Pa.) |
| Replay ordered after Sturgeon protest was upheld |
| 1/27/46 |
R |
Heidelberg Losegos |
9 : 1 |
Sturgeon |
| 3/17/46 |
|
Cleveland Americans |
7 : 1 |
Becks German American SC (Buf.) |
| 3/24/46 |
|
Sparta (Chi.) |
7 : 1 |
Schlitz SC (Mil.) |
| 3/24/46 |
|
Viking AA (Chi.) |
6 : 2 |
Necaxa (Chi.) |
|
|
Pioneer Kickers (Det.) |
|
|
|
|
Carondelet (St. L) |
|
|
2/10/46
|
|
Raferty Painters (St. L) |
2 : 1
|
Natural Set Ups |
|
|
|
|
|
| Round of 16 |
| Eastern Bracket |
| 4/28/46 |
1L |
Ponta Delgada |
2 : 0 |
New York Americans |
| 5/5/46 |
2L |
New York Americans |
2 : 3 |
Ponta Delgada |
| Ponta Delgada advance on 5-2 aggregate |
| 5/5/46 |
|
Brooklyn Wanderers |
3 : 0 |
Brooklyn Hispanos |
| 5/5/46 |
|
Baltimore Americans |
w/o |
Baltimore SC |
| 4/28/46 |
1L |
Philadelphia Americans |
1 : 0 |
Kearny Scots |
| 5/5/46 |
2L |
Philadelphia Americans |
2 : 2 |
Kearny Scots |
| Philadelphia Americans advance on 3-2 aggregate |
| Western Bracket |
| 2/10/46 |
|
Heidelberg Losegos |
1 : 0 |
Castle Shannon |
| 3/31/46 |
|
Viking AA |
2 : 1 (aet) |
Sparta |
4/13/46
|
|
Carondelet |
4 : 2
|
Raferty |
| 4/14/46 |
|
Cleveland Americans |
0 : 0 (aet) |
Pioneer Kickers |
| 4/21/46 |
R |
Cleveland Americans |
2 : 1 (aet) |
Pioneer Kickers |
|
|
|
|
|
| Quarterfinals |
| 4/28/46 |
|
Viking A.A. |
1 : 0 |
Carondolet |
| 5/26/46 |
1L |
Brooklyn Wanderers |
1 : 2* |
Ponta Delgada |
| *Match protested by Brooklyn over a shortage of eight minutes playing time in the first half. |
| Match replayed after second leg. |
| 6/3/46 |
2L |
Ponta Delgada |
1 : 1 |
Brooklyn Wanderers |
| 6/17/46 |
1LR |
Brooklyn Wanderers |
1 : 3 |
Ponta Delgada |
| Ponta Delgada advance on 4-2 aggregate |
| 6/10/46 |
|
Philadelphia Americans |
4 : 2
|
Baltimore Americans |
| 4/28/46 |
|
Heidelberg Losegos |
2 : 1 (aet) |
Cleveland Americans |
| Semifinals |
| 6/23/46 |
1L |
Ponta Delgada |
4 : 2 |
Philadelphia Americans |
| 6/30/46 |
2L |
Philadelphia Americans |
3 : 2 |
Ponta Delgada |
| Ponta Delgada advance on 6-5 aggregate |
| 5/12/46 |
1L |
Heidelberg S.C. |
3 : 1 |
Viking A.A. |
| 5/20/46 |
2L |
Viking A.A. |
2 : 0(aet) |
Heidelberg S.C. |
| 5/27/46 |
3L |
Viking A.A. |
3 : 1 |
Heidelberg S.C. |
| Viking AA advance on 6-4 aggregate |
|
| Final |
| First Leg – at Mark’s Stadium – Tiverton, Rhode Island |
| 7/7/46 |
|
Ponta Delgada |
1 : 1 |
Viking A.A. |
| Second Leg – at Comiskey Park – Chicago, Illinois |
| 7/14/46 |
|
Viking A.A. |
2 : 1 |
Ponta Delgada |
| Viking AA win National Challenge Cup on 3-2 aggregate |
| KEY – w/o – Walkover, R – Replay, 1L – 1st Leg, 2L – 2nd Leg, 3L – 3rd Leg |
