| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2022 | 1. Division | 8 | 48 | 1 | 0 | — | — |
| 2023 | 1. Division | 2 | 132 | 0 | 0 | 0 | 7.45 |
| 2023 | 2. Division: Group 2 | 8 | 440 | 0 | 0 | 0 | — |
| 2024 | 1. Division | 19 | 1008 | 0 | 0 | 0 | — |
| 2025 | 2. Division - Group 1 | 6 | 540 | 0 | 1 | 0.17 | 7.24 |
| 2026 | 2. Division - Group 1 | 17 | 1499 | 2 | 3 | 0.3 | 6.87 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-09-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Vålerenga | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 |
 Ranheim | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Aalesund | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Stabæk | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Start | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Kongsvinger | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Bryne | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Raufoss | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Molde | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Viking | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Odd | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Rosenborg | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Arendal | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
 Lillestrøm | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Egersund | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Skeid | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Træff | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Bjarg | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Eik Tønsberg | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
 Haugesund | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Isak Hjorteseth closed the 2026 2. Division - Group 1 campaign on 2 goals and 3 assists from 17 outings (1,499 minutes) — 0.3 goal involvements per 90. GioScore's computed rating for the season averages 6.87.
2025 stands as his highest-rated season (7.24, 2. Division - Group 1), with 2026 the weakest (6.87).
