[1] She was part of the Black Ferns team that won the 2017 Rugby World Cup in Ireland.

She plays for the Blues Women in the Super Rugby Aupiki competition, and has made 50 appearances for the Auckland Storm in the Farah Palmer Cup.

[2] Itunu made her debut for the Black Ferns in 2015 and was selected for the 2017 Women's Rugby World Cup squad.

[5][6] Itunu played for the Blues against the Chiefs in the first-ever women's Super Rugby match in New Zealand on 1 May 2021.

[7][8] On 3 November 2021, she was named in the Blues squad for the inaugural Super Rugby Aupiki competition.