Player Summary
J. Heerkens is a Goalkeeper at Jong Ajax (Eerste Divisie). Their club career began at Sparta Praha U19 in 2023, followed by spells at Sparta Praha U21, Sparta Praha, Sparta Praha II, Malmo FF, Netherlands U19 and Ajax, and they have been with Jong Ajax since 2025. Listed records show 5 appearances for Czechia U17.
Season goals0
Season assists0
Rating6.55
Upcoming matches
Scope: 2026/27 / 2025/26
| Competition | Round | Date | Opponent | H/A | Venue |
|---|---|---|---|---|---|
| Eredivisie | Regular Season - 10 | 2026-10-26 | A | Sparta Stadium Het Kasteel | |
| Eredivisie | Regular Season - 11 | 2026-11-01 | H | Johan Cruijff Arena | |
| Eerste Divisie | Regular Season - 13 | 2026-11-03 | H | Sportcomplex De Toekomst |
Key metrics (total)
Appearances44
Starts42
Minutes3,738 min
Goals0
Assists0
G+A0
Yellow cards1
Red cards1
Key metrics are totals for the displayed season (9 competitions combined, 2026/27 / 2025/26).
Performance by competition
9 competitions
| Competition | Appearances | Starts | Min | Goals | Assists | Yellow cards | Red cards | Rating |
|---|---|---|---|---|---|---|---|---|
 Eerste Divisie | 28 | 28 | 2,449 | 0 | 0 | 1 | 1 | 7.33 |
 UEFA U19 Championship - Qualification | 6 | 6 | 540 | 0 | 0 | 0 | 0 | - |
 UEFA U19 Championship | 5 | 5 | 450 | 0 | 0 | 0 | 0 | 7.39 |
 Friendlies Clubs | 5 | 3 | 299 | 0 | 0 | 0 | 0 | - |
 Czech Liga | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
 Eredivisie | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
 KNVB Beker | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
 UEFA Champions League | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
 UEFA Europa Conference League | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |