Koei Koya

17 games refereed · from 07/02/2026 to 19/09/2026

J1 League · 17

Cards per game

2.76

+0.19 vs league average: 2.57

Yellow cards per game

2.53

+0.10 vs league average: 2.43

Red cards per game

0.24

+0.10 vs league average: 0.14

Fouls per game

21.5

+0.23 vs league average: 21.30

Penalties per game

0.24

+0.04 vs league average: 0.20

Totals

17 games

43 yellow · 4 red · 4 penalties

📈 Cards in recent games

bars = cards in the game · line = league average

📊 Frequency

share of games refereed

Games with 5 or more cards18%

Games with a red card18%

Games with a penalty24%

⚖️ Splits

average per game

Cards for the home team 1.291.47 for the away team

Yellow cards in the 1st half 0.881.65 in the 2nd half

in 17 games with cards by half

🏆 By competition

Competition	GP	Cards	League average	Fouls	Penalties
J1 League	17	2.76	2.57	21.5	0.24

👥 Teams refereed most

cards received per game

Team	GP	Cards
Shimizu S-Pulse	4	1.50
Yokohama F. Marinos	4	1.25
Avispa Fukuoka	3	2.00
Vissel Kobe	3	1.67
Cerezo Osaka	2	1.50
JEF United Ichihara-Chiba	2	1.50
Kashima Antlers	2	1.50
Machida Zelvia	2	0.50
Mito Hollyhock	2	2.50
Urawa Red Diamonds	2	1.00

📋 Games refereed

cards and fouls add up both teams

Date	Competition	Game			Fouls	Pen.
19/09/26	J1 League	Yokohama F. Marinos 2 x 0 Mito Hollyhock	5	0	17	0
06/09/26	J1 League	Vissel Kobe 3 x 1 V-Varen Nagasaki	2	0	21	0
29/08/26	J1 League	Kyoto Sanga 2 x 1 Avispa Fukuoka	4	0	18	0
15/08/26	J1 League	JEF United Ichihara-Chiba 0 x 4 Machida Zelvia	3	0	29	0
06/06/26	J1 League	JEF United Ichihara-Chiba 1 x 2 Avispa Fukuoka	0	0	26	1
31/05/26	J1 League	Shimizu S-Pulse 1 x 1 Yokohama F. Marinos	1	0	24	0
10/05/26	J1 League	Shimizu S-Pulse 1 x 1 Avispa Fukuoka	5	0	20	0
03/05/26	J1 League	V-Varen Nagasaki 1 x 2 Nagoya Grampus	1	0	15	0
25/04/26	J1 League	Urawa Red Diamonds 2 x 3 Yokohama F. Marinos	2	0	22	0
11/04/26	J1 League	Sanfrecce Hiroshima 1 x 1 Shimizu S-Pulse	1	0	18	0
04/04/26	J1 League	Mito Hollyhock 1 x 1 Kashima Antlers	3	1	15	1
22/03/26	J1 League	Cerezo Osaka 1 x 1 Vissel Kobe	3	0	19	0
14/03/26	J1 League	Kashiwa Reysol 0 x 1 Machida Zelvia	2	0	19	0
07/03/26	J1 League	FC Tokyo 3 x 0 Yokohama F. Marinos	2	0	25	0
28/02/26	J1 League	Urawa Red Diamonds 2 x 3 Kashima Antlers	2	0	27	1
21/02/26	J1 League	Shimizu S-Pulse 1 x 0 Vissel Kobe	5	1	22	1
07/02/26	J1 League	Cerezo Osaka 0 x 0 Gamba Osaka	2	2	29	0

Games since July 2025 in the competitions covered by QueroStats. "League average" = average of all referees in the same competitions, weighted by the games of this referee.