| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Kumamoto | J2/J3 League | 12 | 2 | 0 | 3 | 0 | – |
| 2025 | Kumamoto | J2 League | 35 | 2 | 1 | 4 | 0 | – |
| 2024 | Kumamoto | J2 League | 36 | 3 | 2 | 7 | 2 | – |
| 2023 | Kashiwa Reysol | J1 League | 2 | 0 | 0 | 0 | 0 | 6.5 |
| 2022 | Kashiwa Reysol | J1 League | 3 | 0 | 0 | 0 | 0 | 6.6 |
| 2021 | Kumamoto | J3 League | 3 | 3 | 0 | 0 | 0 | – |
| Total | 91 | 10 | 3 | 14 | 2 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 02 Jan 2025 | Kashiwa Reysol | Kumamoto | Transfer | |
| - | Kumamoto | Kashiwa Reysol | Return from loan | |
| 02 Jan 2024 | Kashiwa Reysol | Kumamoto | Loan | |
| 01 Sept 2022 | Kumamoto | Kashiwa Reysol | Free agent | |
| 02 Jan 2021 | Toin University | Kumamoto | Free agent | |
| 04 Jan 2017 | Maebashi Ikuei | Toin University | Free agent |
W. Iwashita career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.