Friorik Karlsson ha enfrentado a 9 oponentes a lo largo de su carrera.
| Player | Team(s) | Games |
|---|---|---|
| Jon Baldvinsson |
KFI Reykjavik
(ISL-1)
|
1 |
| Stefan Diego |
KFI Reykjavik
(ISL-1)
|
1 |
| Guomundur Gudmundsson |
KFI Reykjavik
(ISL-1)
|
1 |
| Pance Ilievski |
KFI Reykjavik
(ISL-1)
|
1 |
| Oskar Kristjansson |
KFI Reykjavik
(ISL-1)
|
1 |
| Chris Miller-Williams |
KFI Reykjavik
(ISL-1)
|
1 |
| Leo Sigurdsson |
KFI Reykjavik
(ISL-1)
|
1 |
| Bradford Spencer |
KFI Reykjavik
(ISL-1)
|
1 |
| Mirko Virijevic |
KFI Reykjavik
(ISL-1)
|
1 |