| Tachi Koki | ||
| Birth Date | 1997-12-14 (age 28) | |
| Birth Place |  |
Mie |
| Height | 173 cm | |
| Weight | 73 kg | |
| Position | Defender | |
| Club | |
Shonan Bellmare |
| Number | 4 | |
| Club Statistics | ||||||
| Season | Club | No. | League | Game | Goal | |
| 2020 | |
Shonan Bellmare | 19 | J1 | 17 | 0 |
| 2021 | |
Shonan Bellmare | 4 | J1 | 29 | 0 |
| 2022 | |
Shonan Bellmare | 4 | J1 | 25 | 0 |
| 2023 | |
Shonan Bellmare | 4 | J1 | 21 | 0 |
| 2024 | |
Shonan Bellmare | 4 | J1 | 3 | 0 |
| 2025 | |
Shonan Bellmare | 4 | J1 | 17 | 1 |
| 2026-27 | |
Shonan Bellmare | 4 | J2 | ||
| Total | J1 | 112 | 1 | |||
| J2 | 0 | 0 | ||||
| J3 | 0 | 0 | ||||
