44th All-Japan Open Championship — IKO (2012)
42nd All-Japan Open Championship — IKO (2010)
49th All-Japan Open Championship — IKO (2017)
48th All-Japan Open Championship — IKO (2016)
46th All-Japan Open Championship — IKO (2014)
53rd All-Japan Open Championship — IKO (2022)
52nd All-Japan Open Championship — IKO (2020)
50th All-Japan Open Championship — IKO (2018)
57th All-Japan Open Championship — IKO (2025)
56th All-Japan Open Championship — IKO (2024)
