| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017 | J1 League | 4 | 97 | 0 | 0 | 0 | — |
| 2018 | J2-League | 21 | 1808 | 0 | 0 | 0 | — |
| 2019 | J2-League | 16 | 890 | 0 | 0 | 0 | — |
| 2020 | J1 League | 33 | 2969 | 0 | 2 | 0.06 | — |
| 2021 | J1 League | 37 | 3325 | 0 | 0 | 0 | 6.84 |
| 2022 | J1 League | 13 | 1170 | 0 | 1 | 0.08 | 7.23 |
| 2023 | J1 League | 9 | 810 | 0 | 0 | 0 | 7.03 |
| 2024 | J1 League | 33 | 2873 | 0 | 0 | 0 | 6.88 |
| 2025 | J1 League | 36 | 1620 | 0 | 0 | 0 | 7.33 |
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.
Cohort: 104 J1 League defenders, 2025, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-13
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Yokohama F. Marinos | 8 | 6 | 1 | 1 | 0 | 0 | 1 | 0 |
 Urawa Reds | 6 | 2 | 1 | 3 | 1 | 0 | 1 | 0 |
 Vissel Kobe | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 0 |
 Nagoya Grampus | 6 | 2 | 0 | 4 | 0 | 0 | 0 | 0 |
 Cerezo Osaka | 5 | 2 | 3 | 0 | 0 | 0 | 1 | 0 |
 Kawasaki Frontale | 5 | 1 | 3 | 1 | 0 | 0 | 0 | 0 |
 Sanfrecce Hiroshima | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 1 |
 Gamba Osaka | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Shonan Bellmare | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
 Yokohama | 4 | 2 | 1 | 1 | 0 | 0 | 2 | 0 |
 Tokyo Verdy | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
 Avispa Fukuoka | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Albirex Niigata | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
 Kashima Antlers | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
 Machida Zelvia | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Consadole Sapporo | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 FC Tokyo | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 3 | 0 | 3 | 0 | 0 | 0 | 1 | 0 |
 Shimizu S-Pulse | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 China PR | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Hong Kong | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Korea Republic | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Portugal U19 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 England U20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Syria U23 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Saudi Arabia U23 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Brazil U22 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Chile U22 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
2025 brought Taiyo Koga 36 appearances in the J1 League (1,620 minutes), with no direct goal involvement recorded. Per-match rating over the season: 7.33. Set beside the 104 J1 League defenders who played 450+ minutes in 2025, he lands in the top 7% for match rating — goals rank: 35th of 104.
The database holds 9 league seasons for him, from 2017 to 2025 across 2 clubs. The 2025 rating of 7.33 is the best of his recorded career; his lowest came in 2021 (6.84).
