K. Koya — Football referee profile & statistics | Betmana

Career Statistics

K. Koya has officiated 116 matches, issuing 183 yellow and 5 red cards (1.58 yellows per match). Home teams win 43.1% of the time when this referee is in charge.

116

Matches

183

1.58/game

Yellow Cards

0.04/game

Red Cards

0.09/game

Penalties

311

2.68/game

Goals

43.1%

Home Wins

34.5%

Away Wins

22.4%

Draws

Result Distribution

Match outcome breakdown when K. Koya officiates: 43.1% home wins, 22.4% draws, 34.5% away wins. A higher home win percentage may indicate a tendency that bettors can factor into match predictions.

H 43.1%

D 22.4%

A 34.5%

Home winDrawAway win

Matches per Year

K. Koya's workload across 6 years (2020–2025). Tracking how many matches a referee handles per year helps assess experience and current activity level.

League Level Breakdown

J1 League68 (59%)

J2 League33 (28%)

J-League Cup9 (8%)

Emperor Cup6 (5%)

Statistics by League

K. Koya has officiated across 4 competitions, with the most appearances in J1 League (68 matches). Compare card and goal averages across leagues to see if the referee's style varies by competition level.

Competition	Matches	Yellow	Red	Y/M	Goals	G/M	Pen/M	home wins	away wins	draws
J1 League· Japan68Matches 1023Y/M 1.5Goals 176	J1 League· Japan	68	102	3	1.5	176	2.6	8	26	24	18
J2 League· Japan33Matches 621Y/M 1.9Goals 88	J2 League· Japan	33	62	1	1.9	88	2.7	2	14	12	7
J-League Cup· Japan9Matches 191Y/M 2.1Goals 28	J-League Cup· Japan	9	19	1	2.1	28	3.1	1	4	4	1
Emperor Cup· Japan6Matches Y/M 0.0Goals 19	Emperor Cup· Japan	6			0.0	19	3.2	0	6	0	0

Recent Matches

The last 50 matches officiated by K. Koya. Review recent cards, goals, and results to spot current trends in this referee's decision-making.

Date	Competition	Home	Score	Away	Yellow	Red
Roasso Kumamoto 1–2 Blaublitz Akita May 25, 2025J2 League5	May 25, 2025	J2 League	Roasso Kumamoto	1–2	Blaublitz Akita	5
Iwaki 0–1 Montedio Yamagata Apr 12, 2025J2 League3	Apr 12, 2025	J2 League	Iwaki	0–1	Montedio Yamagata	3
Jubilo Iwata 2–1 Shimizu S-pulse Apr 9, 2025J-League Cup3	Apr 9, 2025	J-League Cup	Jubilo Iwata	2–1	Shimizu S-pulse	3
Fujieda MYFC 3–2 V-varen Nagasaki Mar 30, 2025J2 League3	Mar 30, 2025	J2 League	Fujieda MYFC	3–2	V-varen Nagasaki	3
Tochigi City 0–1 Kashima Mar 20, 2025J-League Cup4	Mar 20, 2025	J-League Cup	Tochigi City	0–1	Kashima	4
Cerezo Osaka 0–2 Kashima Nov 30, 2024J1 League4	Nov 30, 2024	J1 League	Cerezo Osaka	0–2	Kashima	4
Urawa 3–0 Sanfrecce Hiroshima Nov 10, 2024J1 League1	Nov 10, 2024	J1 League	Urawa	3–0	Sanfrecce Hiroshima	1
Fujieda MYFC 2–3 JEF United Chiba Oct 26, 2024J2 League3	Oct 26, 2024	J2 League	Fujieda MYFC	2–3	JEF United Chiba	3
Kashiwa Reysol 1–1 Machida Zelvia Oct 19, 2024J1 League2	Oct 19, 2024	J1 League	Kashiwa Reysol	1–1	Machida Zelvia	2
Yokohama F. Marinos 5–1 Renofa Yamaguchi Sep 25, 2024Emperor Cup	Sep 25, 2024	Emperor Cup	Yokohama F. Marinos	5–1	Renofa Yamaguchi
Albirex Niigata 2–3 Vissel Kobe Sep 22, 2024J1 League2	Sep 22, 2024	J1 League	Albirex Niigata	2–3	Vissel Kobe	2
Kashiwa Reysol 0–2 Jubilo Iwata Sep 14, 2024J1 League2	Sep 14, 2024	J1 League	Kashiwa Reysol	0–2	Jubilo Iwata	2
Consadole Sapporo 2–0 Kawasaki Frontale Sep 1, 2024J1 League	Sep 1, 2024	J1 League	Consadole Sapporo	2–0	Kawasaki Frontale
Ehime FC 3–2 Oita Trinita Aug 18, 2024J2 League2	Aug 18, 2024	J2 League	Ehime FC	3–2	Oita Trinita	2
Cerezo Osaka 0–0 Machida Zelvia Aug 7, 2024J1 League4	Aug 7, 2024	J1 League	Cerezo Osaka	0–0	Machida Zelvia	4
Shonan Bellmare 5–0 Jubilo Iwata Jul 14, 2024J1 League21	Jul 14, 2024	J1 League	Shonan Bellmare	5–0	Jubilo Iwata	2	1
Sanfrecce Hiroshima 4–0 Iwaki Jul 10, 2024Emperor Cup	Jul 10, 2024	Emperor Cup	Sanfrecce Hiroshima	4–0	Iwaki
Shimizu S-pulse 3–1 Fagiano Okayama Jun 30, 2024J2 League3	Jun 30, 2024	J2 League	Shimizu S-pulse	3–1	Fagiano Okayama	3
Avispa Fukuoka 2–1 Yokohama F. Marinos Jun 26, 2024J1 League3	Jun 26, 2024	J1 League	Avispa Fukuoka	2–1	Yokohama F. Marinos	3
Yokohama FC 5–0 Roasso Kumamoto Jun 22, 2024J2 League	Jun 22, 2024	J2 League	Yokohama FC	5–0	Roasso Kumamoto
Vissel Kobe 2–0 Kataller Toyama Jun 12, 2024Emperor Cup	Jun 12, 2024	Emperor Cup	Vissel Kobe	2–0	Kataller Toyama
Kagoshima United 0–0 Blaublitz Akita Jun 2, 2024J2 League1	Jun 2, 2024	J2 League	Kagoshima United	0–0	Blaublitz Akita	1
Kyoto Sanga 0–5 Sanfrecce Hiroshima May 19, 2024J1 League4	May 19, 2024	J1 League	Kyoto Sanga	0–5	Sanfrecce Hiroshima	4
Tokyo Verdy 0–0 Gamba Osaka May 15, 2024J1 League1	May 15, 2024	J1 League	Tokyo Verdy	0–0	Gamba Osaka	1
Montedio Yamagata 0–1 Mito Hollyhock May 12, 2024J2 League1	May 12, 2024	J2 League	Montedio Yamagata	0–1	Mito Hollyhock	1
Yokohama F. Marinos 1–1 Jubilo Iwata May 3, 2024J1 League4	May 3, 2024	J1 League	Yokohama F. Marinos	1–1	Jubilo Iwata	4
Tokyo Verdy 2–2 FC Tokyo Apr 13, 2024J1 League31	Apr 13, 2024	J1 League	Tokyo Verdy	2–2	FC Tokyo	3	1
Machida Zelvia 1–2 Sanfrecce Hiroshima Apr 3, 2024J1 League4	Apr 3, 2024	J1 League	Machida Zelvia	1–2	Sanfrecce Hiroshima	4
Kashima 1–0 Jubilo Iwata Mar 30, 2024J1 League3	Mar 30, 2024	J1 League	Kashima	1–0	Jubilo Iwata	3
V-varen Nagasaki 1–1 Ventforet Kofu Mar 24, 2024J2 League2	Mar 24, 2024	J2 League	V-varen Nagasaki	1–1	Ventforet Kofu	2
Kashiwa Reysol 0–2 Nagoya Grampus Mar 16, 2024J1 League4	Mar 16, 2024	J1 League	Kashiwa Reysol	0–2	Nagoya Grampus	4
FC Ryukyu 2–1 Fujieda MYFC Mar 6, 2024J-League Cup5	Mar 6, 2024	J-League Cup	FC Ryukyu	2–1	Fujieda MYFC	5
Shonan Bellmare 1–2 Kawasaki Frontale Feb 24, 2024J1 League5	Feb 24, 2024	J1 League	Shonan Bellmare	1–2	Kawasaki Frontale	5
Avispa Fukuoka 0–4 Yokohama F. Marinos Oct 28, 2023J1 League2	Oct 28, 2023	J1 League	Avispa Fukuoka	0–4	Yokohama F. Marinos	2
Nagoya Grampus 1–1 Consadole Sapporo Sep 23, 2023J1 League5	Sep 23, 2023	J1 League	Nagoya Grampus	1–1	Consadole Sapporo	5
Gamba Osaka 1–1 Albirex Niigata Sep 17, 2023J1 League	Sep 17, 2023	J1 League	Gamba Osaka	1–1	Albirex Niigata
Kyoto Sanga 2–0 Avispa Fukuoka Aug 26, 2023J1 League41	Aug 26, 2023	J1 League	Kyoto Sanga	2–0	Avispa Fukuoka	4	1
Kashima 3–0 Consadole Sapporo Aug 6, 2023J1 League3	Aug 6, 2023	J1 League	Kashima	3–0	Consadole Sapporo	3
Kawasaki Frontale 1–0 Kochi United Aug 2, 2023Emperor Cup	Aug 2, 2023	Emperor Cup	Kawasaki Frontale	1–0	Kochi United
Gamba Osaka 1–0 Kyoto Sanga Jul 8, 2023J1 League2	Jul 8, 2023	J1 League	Gamba Osaka	1–0	Kyoto Sanga	2
Oita Trinita 0–3 Machida Zelvia Jul 5, 2023J2 League1	Jul 5, 2023	J2 League	Oita Trinita	0–3	Machida Zelvia	1
Shonan Bellmare 2–3 Kawasaki Frontale Jun 18, 2023J-League Cup1	Jun 18, 2023	J-League Cup	Shonan Bellmare	2–3	Kawasaki Frontale	1
Vegalta Sendai 1–0 Fujieda MYFC Jun 7, 2023Emperor Cup	Jun 7, 2023	Emperor Cup	Vegalta Sendai	1–0	Fujieda MYFC
Yokohama FC 1–2 Sagan Tosu Jun 3, 2023J1 League3	Jun 3, 2023	J1 League	Yokohama FC	1–2	Sagan Tosu	3
Nagoya Grampus 2–1 Sanfrecce Hiroshima May 20, 2023J1 League4	May 20, 2023	J1 League	Nagoya Grampus	2–1	Sanfrecce Hiroshima	4
Tokushima Vortis 2–0 Kanazawa May 17, 2023J2 League1	May 17, 2023	J2 League	Tokushima Vortis	2–0	Kanazawa	1
Thespakusatsu Gunma 2–1 Renofa Yamaguchi May 7, 2023J2 League2	May 7, 2023	J2 League	Thespakusatsu Gunma	2–1	Renofa Yamaguchi	2
Avispa Fukuoka 1–0 FC Tokyo May 3, 2023J1 League4	May 3, 2023	J1 League	Avispa Fukuoka	1–0	FC Tokyo	4
Jubilo Iwata 0–1 Yokohama F. Marinos Apr 19, 2023J-League Cup2	Apr 19, 2023	J-League Cup	Jubilo Iwata	0–1	Yokohama F. Marinos	2
FC Tokyo 2–2 Shonan Bellmare Apr 9, 2023J1 League3	Apr 9, 2023	J1 League	FC Tokyo	2–2	Shonan Bellmare	3