Center Back · IF Brommapojkarna · season-by-season, by competition, and every match.
Karlsson is operating at his career peak — the 2025/26 level is the level.
The record covers 2 seasons (2024/25–2025/26) across 1 club — 26 appearances with 2 goal contributions from defence.
His best campaign on record is 2025/26 at IF Brommapojkarna — Season rating 11, 1 goal and 0 assists in 13 games. Output has held steady across his last 2 full seasons (9 → 11).
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2025/26 | IF Brommapojkarna | 13 | 1 | 0 | 32 | 11 |
| 2024/25 | IF Brommapojkarna | 13 | 0 | 1 | 33 | 9 |
| 2024/25 | Haugesund | 3 | 0 | 0 | 34 | 1 |
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| Allsvenskan | 13 | 1000 | 1 | 0 | 6.9 |
| UEFA U21 Championship - Qualification | 8 | 720 | 0 | 0 | — |
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Jan 18 | Friendlies Clubs | H Stocksund | 3-3 | Not in squad | — | |||
| Jan 25 | Friendlies Clubs | H AIK Stockholm | 3-0 | Not in squad | — | |||
| Jan 29 | Friendlies Clubs | A Sirius | 1-2 | Not in squad | — | |||
| Feb 4 | Friendlies Clubs | H Fredrikstad | 1-0 | Not in squad | — | |||
| Feb 4 | Friendlies Clubs | H Fredrikstad | 1-0 | Not in squad | — | |||
| Feb 6 | Friendlies Clubs | H Vancouver Whitecaps | 0-2 | Not in squad | — | |||
| Mar 14 | Friendlies Clubs | H Sandviken | 3-0 | Not in squad | — | |||
| Mar 22 | Friendlies Clubs | A Orebro SK | 3-1 | Not in squad | — | |||
| Mar 29 | Allsvenskan | A BK Hacken | 0-2 | Played | 81 | 6.6 | ||
| Apr 6 | Allsvenskan | H Hammarby FF | 0-2 | Played | 90 | 6.6 | ||
| Apr 13 | Allsvenskan | A Sirius | 3-0 | Played | 90 | 7.0 | ||
| Apr 20 | Allsvenskan | H IFK Varnamo | 3-2 | Played | 90 | 7.2 | ||
| Apr 24 | Allsvenskan | A Gais | 1-1 | Played | 90 | 1 | 7.9 | |
| May 5 | Allsvenskan | A Malmo FF | 2-1 | Played | 90 | 7.3 | ||
| May 10 | Allsvenskan | H Halmstad | 0-1 | Played | 90 | 6.9 | ||
| May 15 | Allsvenskan | A IF Elfsborg | 3-4 | Played | 90 | 6.2 | ||
| May 19 | Allsvenskan | A Mjallby AIF | 0-1 | Played | 86 | 6.9 | ||
| May 25 | Allsvenskan | H AIK Stockholm | 0-1 | Played | 90 | 6.9 | ||
| May 29 | Allsvenskan | H Djurgardens IF | 0-1 | Played | 83 | 7.3 | ||
| Jun 1 | Allsvenskan | H IFK Goteborg | 1-3 | Unused sub | 0 | — | ||
| Jun 29 | Allsvenskan | A Degerfors IF | 3-0 | Played | 17 | 6.7 | ||
| Jul 7 | Allsvenskan | A IFK Norrkoping | 1-0 | Played | 13 | 6.6 | ||
| Jul 13 | Allsvenskan | H Osters IF | 2-0 | Not in squad | — | |||
| Jul 20 | Allsvenskan | A Hammarby FF | 2-3 | Not in squad | — | |||
| Jul 26 | Allsvenskan | H Malmo FF | 2-3 | Not in squad | — | |||
| Aug 2 | Allsvenskan | H IFK Norrkoping | 6-4 | Unused sub | 0 | — | ||
| Aug 10 | Allsvenskan | A Osters IF | 1-1 | Unused sub | 0 | — | ||
| Aug 17 | Allsvenskan | H Sirius | 2-4 | Unused sub | 0 | — | ||
| Aug 21 | Svenska Cupen | A Stockholm Internazionale | 2-0 | Not in squad | — | |||
| Aug 24 | Allsvenskan | A Djurgardens IF | 0-1 | Unused sub | 0 | — | ||
| Aug 30 | Allsvenskan | H IF Elfsborg | 3-0 | Unused sub | 0 | — | ||
| Sep 4 | Friendlies Clubs | H Hammarby FF | 1-4 | Not in squad | — | |||
| Sep 15 | Allsvenskan | A AIK Stockholm | 1-2 | Unused sub | 0 | — | ||
| Sep 21 | Allsvenskan | A IFK Goteborg | 1-0 | Inactive | — | |||
| Sep 28 | Allsvenskan | H Mjallby AIF | 0-1 | Unused sub | 0 | — | ||
| Oct 5 | Allsvenskan | H BK Hacken | 1-3 | Unused sub | 0 | — | ||
| Oct 9 | Friendlies Clubs | H Vasteras SK FK | 1-4 | Not in squad | — | |||
| Oct 19 | Allsvenskan | A IFK Varnamo | 1-1 | Not in squad | — | |||
| Oct 27 | Allsvenskan | H Gais | 0-2 | Not in squad | — | |||
| Nov 2 | Allsvenskan | A Halmstad | 0-0 | Not in squad | — | |||
| Nov 9 | Allsvenskan | H Degerfors IF | 1-3 | Unused sub | 0 | — | ||
| Nov 20 | Friendlies Clubs | A Vasteras SK FK | 5-2 | Not in squad | — | |||
| Feb 20 | Svenska Cupen | A IFK Skövde | 3-0 | Not in squad | — | |||
| Mar 1 | Svenska Cupen | H Falkenbergs FF | 4-1 | Not in squad | — | |||
| Mar 8 | Svenska Cupen | A Djurgardens IF | 0-2 | Not in squad | — |