In 2013, Rohner scored with FC Zurich U15 in a 6-1 victory over the women's team.
[1] On 6 January 2017, Rohner signed his first professional contract with FC Zürich.
[2] He made his professional debut for FCZ in a 2–1 Swiss Super League loss to FC Luzern on 10 December 2017.
[3] On 25 July 2019, Rohner was loaned out to FC Wil for the 2019–20 season.
[4] On 18 June 2024, Rohner signed a two-year contract with Winterthur.