Koei Koya - J1 League Referee Stats

Japan J1 League · Seasons on record: 2026-2027, 2025-2026, 2019-2020, 2018-2019
Also appears in other leagues
Koei Koya on Japan J2 League

Over 2.5 FT

5 / 13
38.5%

Over 1.5 HT

4 / 13
30.8%

BTTS

9 / 13
69.2%

FT Result Split

2-6-5
Home-Draw-Away

Cards (avg)

1.38 YC · 0.08 RC
Totals: 18Y / 1R

HT / FT Outcomes

1/1
1 (7.7%)
1/X
2 (15.4%)
1/2
2 (15.4%)
X/1
1 (7.7%)
X/X
4 (30.8%)
X/2
2 (15.4%)
2/1
0 (0%)
2/X
0 (0%)
2/2
1 (7.7%)

Goal Difference

0-1
12 (92.3%)
2-3
1 (7.7%)
4+
0 (0%)

Matches 2026-2027

Date Match FT (HT) BTTS Over 2.5 Over 1.5 HT HT/FT Cards
06 Jun 2026 JEF United Chiba vs Avispa Fukuoka 1-2 (1-0) ✓ ✓ – 1/2 0 0
31 May 2026 Shimizu S-pulse vs Yokohama F. Marinos 1-1 (0-0) ✓ – – X/X 1 0
10 May 2026 Shimizu S-pulse vs Avispa Fukuoka 1-1 (0-0) ✓ – – X/X 5 0
03 May 2026 V-varen Nagasaki vs Nagoya Grampus 1-2 (1-1) ✓ ✓ ✓ X/2 1 0
25 Apr 2026 Urawa vs Yokohama F. Marinos 2-3 (1-1) ✓ ✓ ✓ X/2 2 0
11 Apr 2026 Sanfrecce Hiroshima vs Shimizu S-pulse 1-1 (0-0) ✓ – – X/X 1 0
04 Apr 2026 Mito Hollyhock vs Kashima 1-1 (1-0) ✓ – – 1/X 5 1
22 Mar 2026 Cerezo Osaka vs Vissel Kobe 1-1 (1-0) ✓ – – 1/X 3 0
14 Mar 2026 Kashiwa Reysol vs Machida Zelvia 0-1 (0-1) – – – 2/2 0 0
07 Mar 2026 FC Tokyo vs Yokohama F. Marinos 3-0 (2-0) – ✓ ✓ 1/1 0 0
28 Feb 2026 Urawa vs Kashima 2-3 (2-1) ✓ ✓ ✓ 1/2 0 0
21 Feb 2026 Shimizu S-pulse vs Vissel Kobe 1-0 (0-0) – – – X/1 0 0
07 Feb 2026 Cerezo Osaka vs Gamba Osaka 0-0 (0-0) – – – X/X 0 0

Teams Refereed Most

2026-2027
TeamTimes Refereed
Shimizu S-pulse 4
Yokohama F. Marinos 3
Avispa Fukuoka 2
Urawa 2
Kashima 2
Cerezo Osaka 2
Vissel Kobe 2
JEF United Chiba 1
All Seasons
TeamTimes Refereed
Nagoya Grampus 6
Urawa 6
Shimizu S-pulse 5
Gamba Osaka 5
Avispa Fukuoka 4
Yokohama F. Marinos 4
Kashima 4
Vissel Kobe 4

Over 2.5 FT

5 / 13
38.5%

Over 1.5 HT

1 / 13
7.7%

BTTS

7 / 13
53.8%

FT Result Split

7-3-3
Home-Draw-Away

Cards (avg)

2.62 YC · 0.08 RC
Totals: 34Y / 1R

HT / FT Outcomes

1/1
4 (30.8%)
1/X
0 (0%)
1/2
1 (7.7%)
X/1
3 (23.1%)
X/X
2 (15.4%)
X/2
1 (7.7%)
2/1
0 (0%)
2/X
1 (7.7%)
2/2
1 (7.7%)

Goal Difference

0-1
12 (92.3%)
2-3
1 (7.7%)
4+
0 (0%)

Matches 2025-2026

Date Match FT (HT) BTTS Over 2.5 Over 1.5 HT HT/FT Cards
30 Nov 2025 Machida Zelvia vs Nagoya Grampus 3-1 (1-0) ✓ ✓ – 1/1 4 0
18 Oct 2025 Tokyo Verdy vs Albirex Niigata 1-0 (1-0) – – – 1/1 0 0
23 Sep 2025 Shonan Bellmare vs Kawasaki Frontale 1-2 (0-1) ✓ ✓ – 2/2 4 0
23 Aug 2025 Avispa Fukuoka vs Shimizu S-pulse 0-0 (0-0) – – – X/X 4 1
16 Aug 2025 Urawa vs Nagoya Grampus 2-1 (2-0) ✓ ✓ ✓ 1/1 2 0
02 Jul 2025 Vissel Kobe vs Sanfrecce Hiroshima 1-0 (0-0) – – – X/1 1 0
29 Jun 2025 Tokyo Verdy vs Kawasaki Frontale 1-0 (1-0) – – – 1/1 4 0
17 May 2025 Avispa Fukuoka vs Nagoya Grampus 1-1 (0-0) ✓ – – X/X 3 0
29 Apr 2025 Cerezo Osaka vs Machida Zelvia 1-2 (0-0) ✓ ✓ – X/2 4 0
19 Apr 2025 Albirex Niigata vs Kyoto Sanga 1-2 (1-0) ✓ ✓ – 1/2 2 0
06 Apr 2025 Kashiwa Reysol vs Gamba Osaka 1-0 (0-0) – – – X/1 2 0
08 Mar 2025 Urawa vs Fagiano Okayama 1-0 (0-0) – – – X/1 2 0
26 Feb 2025 Vissel Kobe vs Kyoto Sanga 1-1 (0-1) ✓ – – 2/X 2 0

Teams Refereed Most

2025-2026
TeamTimes Refereed
Nagoya Grampus 3
Machida Zelvia 2
Tokyo Verdy 2
Albirex Niigata 2
Kawasaki Frontale 2
Avispa Fukuoka 2
Urawa 2
Vissel Kobe 2
All Seasons
TeamTimes Refereed
Nagoya Grampus 6
Urawa 6
Shimizu S-pulse 5
Gamba Osaka 5
Avispa Fukuoka 4
Yokohama F. Marinos 4
Kashima 4
Vissel Kobe 4

Over 2.5 FT

1 / 5
20%

Over 1.5 HT

1 / 5
20%

BTTS

2 / 5
40%

FT Result Split

2-2-1
Home-Draw-Away

Cards (avg)

0 YC · 0 RC
Totals: 0Y / 0R

HT / FT Outcomes

1/1
0 (0%)
1/X
0 (0%)
1/2
0 (0%)
X/1
2 (40%)
X/X
1 (20%)
X/2
0 (0%)
2/1
0 (0%)
2/X
1 (20%)
2/2
1 (20%)

Goal Difference

0-1
3 (60%)
2-3
2 (40%)
4+
0 (0%)

Matches 2019-2020

Date Match FT (HT) BTTS Over 2.5 Over 1.5 HT HT/FT Cards
28 Sep 2019 Kashima vs Consadole Sapporo 1-1 (0-1) ✓ – – 2/X 0 0
07 Jul 2019 Nagoya Grampus vs Shonan Bellmare 0-2 (0-1) – – – 2/2 0 0
15 Jun 2019 Urawa vs Sagan Tosu 2-1 (1-1) ✓ ✓ ✓ X/1 0 0
12 May 2019 Matsumoto Yamaga vs Consadole Sapporo 0-0 (0-0) – – – X/X 0 0
14 Apr 2019 Oita Trinita vs Vegalta Sendai 2-0 (0-0) – – – X/1 0 0

Teams Refereed Most

2019-2020
TeamTimes Refereed
Consadole Sapporo 2
Kashima 1
Nagoya Grampus 1
Shonan Bellmare 1
Urawa 1
Sagan Tosu 1
Matsumoto Yamaga 1
Oita Trinita 1
All Seasons
TeamTimes Refereed
Nagoya Grampus 6
Urawa 6
Shimizu S-pulse 5
Gamba Osaka 5
Avispa Fukuoka 4
Yokohama F. Marinos 4
Kashima 4
Vissel Kobe 4

Over 2.5 FT

4 / 9
44.4%

Over 1.5 HT

2 / 9
22.2%

BTTS

5 / 9
55.6%

FT Result Split

6-1-2
Home-Draw-Away

Cards (avg)

0 YC · 0 RC
Totals: 0Y / 0R

HT / FT Outcomes

1/1
3 (33.3%)
1/X
0 (0%)
1/2
0 (0%)
X/1
3 (33.3%)
X/X
1 (11.1%)
X/2
1 (11.1%)
2/1
0 (0%)
2/X
0 (0%)
2/2
1 (11.1%)

Goal Difference

0-1
6 (66.7%)
2-3
3 (33.3%)
4+
0 (0%)

Matches 2018-2019

Date Match FT (HT) BTTS Over 2.5 Over 1.5 HT HT/FT Cards
10 Nov 2018 Consadole Sapporo vs Urawa 1-2 (1-2) ✓ ✓ ✓ 2/2 0 0
01 Sep 2018 Gamba Osaka vs Kawasaki Frontale 2-0 (1-0) – – – 1/1 0 0
11 Aug 2018 Nagoya Grampus vs Kashima 4-2 (1-0) ✓ ✓ – 1/1 0 0
01 Aug 2018 Jubilo Iwata vs Gamba Osaka 1-1 (0-0) ✓ – – X/X 0 0
22 Jul 2018 FC Tokyo vs Yokohama F. Marinos 5-2 (3-0) ✓ ✓ ✓ 1/1 0 0
02 May 2018 Gamba Osaka vs Vegalta Sendai 1-0 (0-0) – – – X/1 0 0
25 Apr 2018 Jubilo Iwata vs V-varen Nagasaki 1-2 (0-0) ✓ ✓ – X/2 0 0
21 Apr 2018 Sanfrecce Hiroshima vs Sagan Tosu 1-0 (0-0) – – – X/1 0 0
11 Apr 2018 Consadole Sapporo vs Shonan Bellmare 1-0 (0-0) – – – X/1 0 0

Teams Refereed Most

2018-2019
TeamTimes Refereed
Gamba Osaka 3
Consadole Sapporo 2
Jubilo Iwata 2
Urawa 1
Kawasaki Frontale 1
Nagoya Grampus 1
Kashima 1
FC Tokyo 1
All Seasons
TeamTimes Refereed
Nagoya Grampus 6
Urawa 6
Shimizu S-pulse 5
Gamba Osaka 5
Avispa Fukuoka 4
Yokohama F. Marinos 4
Kashima 4
Vissel Kobe 4