| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017 | Kakkonen-LohkoC | 19 | 854 | 0 | 0 | 0 | — |
| 2019 | Kakkonen | 19 | 1684 | 1 | 0 | 0.05 | — |
| 2022 | Kakkonen | 19 | 1666 | 1 | 0 | 0.05 | — |
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.
Cohort: 103 Kakkonen defenders, 2022, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
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 | ||
|---|---|---|---|---|---|---|---|---|
 JS Hercules | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 RoPS | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 JJK | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 SJK Akatemia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 OLS | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kraft | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 GBK | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 VIFK | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 JBK | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 KuFu-98 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 PK-37 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vaajakoski | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 OTP | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 VPS II | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 RoPS II | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 FC Komeetat | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Across 19 Kakkonen appearances in 2022 (1,666 minutes), Joona Heiskanen scored 1 goal but did not register an assist — 0.05 goal involvements per 90. Measured against the 103 Kakkonen defenders who played 450+ minutes in 2022, he ranks in the 53rd percentile by goal involvements per 90 — above the cohort median, and 30th of 103 for goals scored.
The database holds 3 league seasons for him, from 2017 to 2022, all with a single club.
