Referee
Ko Hyung-jin
- Nationality
- South Korea
- Matches
- 76In our archive since
- K League 148
- K3 League11
- Liga 18
- AFC Champions League Two4
This season (2026)K-League 1 · Chinese Super League
22Matches
3.82Yellow cards per match22 matches
0.18Red cards per match22 matches
0.10Penalties per match22 matches
Career
76Matches
3.61Yellow cards per match33 matches
0.12Red cards per match50 matches
0.14Penalties per match50 matches
20.70Fouls per match
Strictness rankingK League 1
Ko Hyung-jin shows 3.77 yellow cards per match, 7% above the league average (3.52): number 5 of 11 referees.
- 1Yong-jun Shin20 matches4.30
- 2Min-Seok Song18 matches4.28
- 3Cheol-Jun Choi14 matches4.00
- 4Tae-Hwan Seol14 matches3.79
- 5Ko Hyung-jin22 matches3.77
- 6Dae-Yong Kim17 matches3.76
- 7Woo-Sung Kim13 matches3.46
- 8Hyun Jae Choi11 matches3.09
- 9Dong Jun Lee11 matches2.91
- 10Jong-Hyeok Kim23 matches2.78
- 11Byungjin Park15 matches2.40
League average 3.52
Cards per matchLast 19 matches with card data
- Yellow cards
- Red cards
Results in his matchesFrom 76 finished matches
- Home win46%
- Draw29%
- Away win25%
Home / awayYellow cards · 33 matches
- Home teams56 yellow cards · 47%
- Away teams63 yellow cards · 53%
Away teams saw 13% more yellow cards.
By competition
| Competition | Matches | Yellow / match | Red cards | Penalties |
|---|---|---|---|---|
| K League 1 | 48 | 3.68 | 5 | 7 |
| K3 League | 11 | – | – | – |
| Liga 1 | 8 | – | – | – |
| AFC Champions League Two | 4 | 3.00 | 1 | 0 |
| ASEAN Club Championship | 2 | – | – | – |
| FA Cup | 2 | – | – | – |
| Super League | 1 | 4.00 | 0 | 0 |
Season by season
| Season | Competition | Matches | Yellow cards per match | Red cards per match | Penalties per match |
|---|---|---|---|---|---|
| 2026 | K-League 1 | 21 | 3.81 | 0.19 | 0.10 |
| Chinese Super League | 1 | 4.00 | 0.00 | 0.00 | |
| 2025 | Super League | 4 | – | – | – |
| AFC Champions League Two, Group G | 2 | 4.50 | 0.50 | 0.00 | |
| K-League 1 | 6 | 3.33 | 0.00 | 0.33 | |
| K3 League | 4 | – | – | – | |
| FA Cup | 1 | – | – | – | |
| 2024 | AFC Champions League Two, Group G | 2 | 1.50 | 0.00 | 0.00 |
| ASEAN Club Championship | 2 | – | – | – | |
| Super League | 4 | – | – | – | |
| K-League 1 | 21 | 3.25 | 0.06 | 0.17 | |
| K3 League | 7 | – | – | – | |
| FA Cup | 1 | – | – | – |
Latest matches
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- K-League 1Gwangju FC1Gimcheon Sangmu FC11Yellow cards
- K-League 1Jeju United FC0Daejeon Citizen FC02Yellow cards
- Super LeaguePersib Bandung0Persijap Jepara0
- K-League 1Gangwon FC2Ulsan Hyundai FC04Yellow cards1Red cards
- K-League 1FC Anyang2Gimcheon Sangmu FC23Yellow cards
- K-League 1Daejeon Citizen FC0Pohang Steelers24Yellow cards
- K-League 1Incheon United FC0Gangwon FC15Yellow cards
- K-League 1Daejeon Citizen FC0Jeju United FC15Yellow cards
- K-League 1Ulsan Hyundai FC5Gwangju FC15Yellow cards2Penalties
- K-League 1Gimcheon Sangmu FC1FC Anyang15Yellow cards
- K-League 1Pohang Steelers0Bucheon FC 199503Yellow cards1Red cards