| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Yamaga | J3 League | 14 | 1 | 0 | 2 | 0 | – |
| 2024 | Yamaga | J3 League | 18 | 0 | 1 | 2 | 0 | – |
| 2023 | Urawa Reds | J1 League | 3 | 0 | 0 | 0 | 0 | 6.9 |
| 2022 | Urawa Reds | J1 League | 18 | 1 | 1 | 0 | 0 | 6.9 |
| 2021 | Omiya Ardija | J2 League | 41 | 2 | 0 | 5 | 0 | – |
| 2020 | Shonan Bellmare | J1 League | 7 | 0 | 1 | 1 | 0 | 6.8 |
| 2019 | Kawasaki Frontale | J1 League | 13 | 1 | 2 | 1 | 0 | 7.0 |
| 2018 | Sanfrecce Hiroshima | J1 League | 4 | 1 | 0 | 0 | 0 | 6.8 |
| 2017 | Tokushima | J2 League | 39 | 4 | 0 | 5 | 1 | – |
| 2016 | Kanazawa | J2 League | 17 | 1 | 0 | 3 | 0 | – |
| Total | 174 | 11 | 5 | 19 | 1 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 01 Aug 2024 | Urawa Reds | Yamaga | Transfer | |
| 01 Sept 2022 | Omiya Ardija | Urawa Reds | Transfer | |
| 02 Jan 2021 | Kawasaki Frontale | Omiya Ardija | Transfer | |
| - | Shonan Bellmare | Kawasaki Frontale | Return from loan | |
| 02 Jan 2020 | Kawasaki Frontale | Shonan Bellmare | Loan | |
| 01 May 2019 | Sanfrecce Hiroshima | Kawasaki Frontale | Transfer | |
| 01 Jun 2018 | Tokushima | Sanfrecce Hiroshima | Transfer | |
| 01 Jul 2017 | Kanazawa | Tokushima | Transfer | |
| 01 Aug 2016 | Gainare Tottori | Kanazawa | Transfer | |
| 02 Jan 2014 | Toyo University | Gainare Tottori | Free agent |
K. Mawatari career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.