Davis Cup WG SF: CRO vs USA 2018
Players
| Player | Country | Reached | |
|---|---|---|---|
 |
Borna Coric | CRO | Round Robin |
 |
Sam Querrey | USA | Round Robin |
 |
Frances Tiafoe | USA | Round Robin |
 |
Marin Cilic | CRO | Round Robin |
 |
Steve Johnson | USA | Round Robin |
Other matches
| Round | Winner | Loser | Score |
|---|---|---|---|
| RR | Borna Coric | Steve Johnson | 6-4 7-6(4) 6-3 |
| RR | Marin Cilic | Frances Tiafoe | 6-1 6-3 7-6(5) |
| RR | Sam Querrey | Marin Cilic | 6-7(2) 7-6(6) 6-3 6-4 |
| RR | Borna Coric | Frances Tiafoe | 6-7(0) 6-1 6-7(11) 6-1 6-3 |