| 1. Round | 25/03/2018 | Colorado Rapids | - | Sporting Kansas City | 2:2 |  |
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| 2. Round | 01/04/2018 | Colorado Rapids | - | Philadelphia Union | 3:0 | ||||
| 2. Round | 08/04/2018 | FC Dallas | - | Colorado Rapids | 1:1 | |
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| 2. Round | 29/04/2018 | Colorado Rapids | - | Orlando City | 1:2 | ||||
| 3. Round | 06/05/2018 | Sporting Kansas City | - | Colorado Rapids | 1:0 | ||||
| 3. Round | 13/05/2018 | Colorado Rapids | - | New York RB | 1:2 | ||||
| 3. Round | 19/05/2018 | New York City FC | - | Colorado Rapids | 4:0 | ||||
| 3. Round | 27/05/2018 | Colorado Rapids | - | Portland Timbers | 2:3 | ||||
| 4. Round | 10/06/2018 | Houston Dynamo | - | Colorado Rapids | 2:0 | ||||
| 4. Round | 14/06/2018 | Colorado Rapids | - | Chicago Fire | 2:2 | ||||
| 4. Round | 24/06/2018 | Colorado Rapids | - | Minnesota United FC | 3:2 | |
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| 5. Round | 02/07/2018 | Vancouver Whitecaps | - | Colorado Rapids | 0:1 | ||||
| 5. Round | 05/07/2018 | Colorado Rapids | - | Seattle Sounders | 1:2 | |
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| 5. Round | 08/07/2018 | Impact de Montréal | - | Colorado Rapids | 2:1 |
England
