[2] It is the stage for the annual National High School Rugby Tournament held every year at the end of December and has hosted important international, Top League games.

[3] On May 14, 2006 Daisuke Ohata broke the record for the most overall tries in test matches at Hanazono with a hat-trick for Japan against Georgia.

[4] FC Osaka hosted stadium in J3 League on 18 march 2023 against relegated team from J2 in last season Iwate Grulla Morioka after full calendar of J3 match in 20 January 2023.

The stadium underwent a large scale renovation during 2017-18 to increase facilities in preparation for the Rugby World Cup.

[5] On 26 October 2018, Hanazono hosted an international fixture between Japan national rugby union team and World XV in celebration of the completion.