| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023/2024 | Regionalliga: Nord | 32 | 1420 | 8 | 0 | 0.51 | — |
| 2024/2025 | Tweede Divisie | 19 | 610 | 3 | 1 | 0.59 | 6.7 |
| 2025/2026 | Tweede Divisie | 14 | 252 | 2 | 1 | 1.07 | 6.65 |
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 2026-08-01
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Katwijk | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Spakenburg | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 AFC | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Excelsior Maassluis | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Koninklijke HFC | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Barendrecht | 3 | 2 | 0 | 1 | 2 | 0 | 0 | 0 |
 De Treffers | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
 GVVV | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 ADO '20 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 Quick Boys | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Meppen | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 ACV | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 |
 Jong Sparta | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 1 |
 Weiche Flensburg | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 RKAV Volendam | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Rijnsburgse Boys | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 VfB Oldenburg | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 TOP Oss | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 IJsselmeervogels | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Scheveningen | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Across 14 Tweede Divisie appearances in 2025/2026, J. Kemna contributed 2 goals plus 1 assist (252 minutes) — 1.07 goal involvements per 90. GioScore's computed rating for the season averages 6.65.
His league record spans 3 seasons (2023–2025) across 3 clubs. 2024/2025 stands as his highest-rated season (6.7, Tweede Divisie), with 2025/2026 the weakest (6.65).
