| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2023 | J3-League | 30 | 1555 | 1 | 2 | 0.17 | — |
| 2024 | J3-League | 38 | 3243 | 0 | 3 | 0.08 | — |
| 2025 | J3-League | 21 | 1654 | 0 | 1 | 0.05 | 6.74 |
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 2026-08-14
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Giravanz Kitakyushu | 5 | 1 | 1 | 3 | 0 | 0 | 1 | 0 |
 Gifu | 4 | 2 | 0 | 2 | 0 | 2 | 0 | 0 |
 Kagoshima United | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Azul Claro Numazu | 4 | 2 | 2 | 0 | 0 | 0 | 1 | 0 |
 Osaka | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Nara Club | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Kamatamare Sanuki | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Matsumoto Yamaga | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Parceiro Nagano | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Zweigen Kanazawa | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fukushima United | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Sagamihara | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 Ryūkyū | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
 Tegevajaro Miyazaki | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Imabari | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Kataller Toyama | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 YSCC | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Grulla | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Vanraure Hachinohe | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
Riku Yamauchi finished the 2025 J3-League season with 1 assist and no goals from 21 appearances (1,654 minutes) — 0.05 goal involvements per 90. That season graded out at an average match rating of 6.74.
His recorded league career runs from 2023 to 2025: 3 seasons across 4 clubs.
