[3] On 29 September 2020, he was member of the Ferencváros team which qualified for the 2020–21 UEFA Champions League group stage after beating Molde on 3–3 aggregate (away goals) at the Groupama Aréna.
[6][7] On 20 April 2024, the Ferencváros–Kisvárda tie ended with a goalless draw at the Groupama Aréna on the 29th match day of the 2023–24 Nemzeti Bajnokság I season[8] which meant that Ferencváros won their 35th championship.
[11][12] Dibusz made his first appearance for the Hungary national football team in a UEFA Euro 2016 qualifier against the Faroe Islands, keeping a clean sheet in the 1–0 win.
[15] On 1 June 2021, Dibusz was included in the final 26-man squad to represent Hungary at the rescheduled UEFA Euro 2020 tournament,[16] again serving as back-up, this time to Gulácsi who had inherited the number 1 jersey from the retired Király.
[17] Gulácsi's cruciate ligament injury in October 2022 saw Dibusz take his place in the Hungarian goal for the UEFA Euro 2024 qualifying campaign, with the Magyars going unbeaten throughout 2023.