In 2023, Tokyo Sankyu Phoenix signed a partnership with Australian Super Rugby Women's side the Western Force.
[1][2] The agreement would allow for pre-season trial games, the sharing of knowledge, exchange of players, management, coaches, training staff and media staff, co-creation branding and academy planning.
[1][2] Tokyo Sankyu Phoenix met Mie Pearls for the 2023–2024 National Women’s Rugby Championship final which was played for the first time at the Chichibunomiya Rugby Stadium.
[5][6] After being crowned national champions, they played the Western Force in a pre-season trial match on 23 February at HBF Park; they won the game 24–14.
[7][8] Note: Flags indicate national union under World Rugby eligibility rules.