| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | J1 League | 1 | 90 | 0 | 0 | 0 | — |
| 2011 | J1 League | 32 | 1260 | 12 | 0 | 0.86 | — |
| 2012 | J1 League | 17 | — | 0 | 0 | — | — |
| 2013 | J1 League | 22 | — | 5 | 0 | — | — |
| 2014 | J1 League | 28 | — | 12 | 0 | — | — |
| 2015 | J1 League | 5 | — | 0 | 0 | — | — |
| 2016 | J1 League | 32 | — | 0 | 0 | — | — |
| 2017 | J1 League | 34 | 2952 | 23 | 8 | 0.95 | 7.5 |
| 2018 | J1 League | 27 | 2210 | 14 | 5 | 0.77 | 7.36 |
| 2019 | J1 League | 31 | 2117 | 13 | 3 | 0.68 | 7.27 |
| 2020 | J1 League | 27 | 1315 | 14 | 4 | 1.23 | 7.25 |
| 2021 | J1 League | 33 | 1162 | 10 | 4 | 1.08 | 7.15 |
| 2022 | J1 League | 30 | 1295 | 5 | 3 | 0.56 | 7 |
| 2023 | J1 League | 16 | 517 | 4 | 0 | 0.7 | 6.96 |
| 2024 | J1 League | 26 | 653 | 4 | 1 | 0.69 | 6.93 |
| 2025 | J1 League | 13 | 317 | 1 | 0 | 0.28 | 6.54 |
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.
Figures computed from the GioScore season-stats database · as of 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Yokohama F. Marinos | 6 | 3 | 1 | 2 | 0 | 0 | 0 | 0 |
 Kashiwa Reysol | 5 | 3 | 1 | 1 | 1 | 0 | 0 | 0 |
 Albirex Niigata | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Urawa Reds | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 Yokohama | 4 | 3 | 0 | 1 | 2 | 0 | 0 | 0 |
 Cerezo Osaka | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Kashima Antlers | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Gamba Osaka | 4 | 1 | 2 | 1 | 2 | 0 | 0 | 0 |
 Omiya Ardija | 3 | 2 | 0 | 1 | 3 | 0 | 0 | 0 |
 Tokyo Verdy | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 FC Tokyo | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Shimizu S-Pulse | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Vissel Kobe | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Shanghai Port | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Vegalta Sendai | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 Sanfrecce Hiroshima | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 Sagan Tosu | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ventforet Kofu | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 0 |
 Shonan Bellmare | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Costa Rica | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ukraine | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Brazil | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Mali | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Jamaica | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
All of Yu Kobayashi's 2025 J1 League output came as goals: 1 goal in 13 games (317 minutes) — 0.28 goal involvements per 90. That season graded out at an average match rating of 6.54.
Between 2010 and 2025 he accumulated 16 league seasons, all with a single club. 2017 stands as his highest-rated season (7.5, J1 League), with 2025 the weakest (6.54). The direction of late is downward — 0.48 under his prior average over the last two rated seasons.
