The fourth rubber is a must-win for the Americans, who trail the Croatians 1-2.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Chengdu Open
|
1/16 | Mikhail Kukushkin |
6-4
6-3 |
| 2018 |
US Open ATP
|
1/32 | Novak Djokovic |
6-1
6-3 6-7 6-2 |
| 2018 |
US Open ATP
|
1/64 | Tennys Sandgren |
3-6
4-6 2-6 |
| 2018 |
Winston-Salem Open
|
1/32 | Tennys Sandgren |
4-6
3-6 |
| year | Event | RND | Winner | Results |
|---|
