Rudolf was part of Redcliffe's 2018 premiership team and won the Duncan Hall Medal for man of the match in the grand final.

Rudolf returned from his ACL to play for Cronulla's feeder club side Newtown and went onto win the 2019 Canterbury Cup NSW premiership and the 2019 NRL State Championship final where he was awarded man of the match.

[8][9][10] In round 18 of the 2020 NRL season, Rudolf scored his first try in the top grade in Cronulla's 22-14 victory over the New Zealand Warriors at Kogarah Oval.

[11] In round 20 of the 2021 NRL season, Rudolf was sent to the sin bin for headbutting an opponent during Cronulla's 22-40 loss against rivals Manly in the "Battle of the Beaches" match.

[12] Rudolf played every game for Cronulla in the 2021 NRL season which saw the club narrowly miss the finals by finishing 9th on the table.

[16] On 25 March, it was announced that Rudolf would miss 3-6 weeks with an ankle injury which he sustained during Cronulla's upset loss against the Wests Tigers in round 3 of the 2024 NRL season.

NRL CEO Andrew Abdo labelled the comments “offensive and derogatory” before issuing Cronulla and Rudolf with an official warning.