Ladhams was selected with Pick 9 in the rookie draft by Port Adelaide. [2] After spending his first two seasons playing in the SANFL, Ladhams made his debut against Hawthorn in Round 10 of the 2019 AFL season. He kicked his first goal and behind in that game against Hawthorn.
In 2020, Ladhams was handed a three match suspension for breaching the AFL's COVID-19 protocols, after he and teammate Dan Houston had invited unauthorised visitors into their home.[3]
^The 2020 season was played with 17 home-and-away matches per team (down from 22) and 16-minute quarters with time on (down from 20-minute quarters with time on) due to the impact of the COVID-19 pandemic.