| Temporada | Liga | PJ | Min | Goles | Asistencias | G+A / 90 | Valoración |
|---|---|---|---|---|---|---|---|
| 2013 | K League 1 | 3 | 90 | 0 | 0 | 0 | — |
| 2014 | K League 1 | 1 | 90 | 0 | 0 | 0 | — |
| 2015 | K League 1 | 24 | 1350 | 0 | 0 | 0 | — |
| 2016 | K League 1 | 29 | — | 1 | 0 | — | — |
| 2017 | K League 1 | 29 | 2525 | 0 | 1 | 0.04 | — |
| 2018 | K League 1 | 22 | 1664 | 0 | 0 | 0 | — |
| 2019 | K League 1 | 30 | 2659 | 1 | 0 | 0.03 | — |
| 2020 | K League 1 | 2 | 91 | 0 | 0 | 0 | 6.53 |
| 2021 | K League 1 | 17 | 1131 | 0 | 0 | 0 | 6.83 |
| 2022 | K League 1 | 15 | 658 | 1 | 0 | 0.14 | 6.82 |
| 2023 | K League 1 | 23 | 1787 | 0 | 0 | 0 | 7 |
| 2024 | K League 1 | 13 | 890 | 0 | 0 | 0 | 7.04 |
| 2025 | K League 2 | 7 | 543 | 0 | 0 | 0 | 6.74 |
| 2025/2026 | Premier League | 5 | 406 | 1 | 0 | 0.22 | — |
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.
Cohorte: 33 defensas de K League 2, 2025, mín. 450 minutos. Calculado ordenando el corpus completo de la liga, no tomado de ningún feed.
Cifras calculadas a partir de la base de estadísticas por temporada de GioScore · a fecha de 2026-07-22
Estadísticas del jugador contra cada club rival
| Equipo | PJ | V | E | D | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ulsan HD | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 Seoul | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Suwon | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Incheon United | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Daegu | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sydney | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Urawa Reds | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kashiwa Reysol | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 |
 Melbourne Victory | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 Jeonbuk Motors | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
 Seongnam | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 True Bangkok United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gimcheon Sangmu | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Guangzhou Evergrande | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
 SCG Muangthong United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gangwon | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Selangor | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Jeju United | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Gimpo | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
Estadísticas contra cada selección rival
| Equipo | PJ | V | E | D | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Sweden U17 W | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Sin asistencias en su cuenta, Ja-ryong Koo aportó 1 gol en 5 partidos de la Premier League 2025/2026 (406 minutos) — 0.22 participaciones de gol por 90 minutos. Por nota media, queda en el 4% más alto de 33 defensas de K League 2 con al menos 450 minutos en 2025, además de ocupar el puesto 11º de 33 en goles.
Sus notas por temporada tocan techo en 2024 (7.04, K League 1) y suelo en 2025 (6.74).
