[1] Antolin started his youth career at hometown club Ižakovci, and later played for Beltinci.
On 11 February 2021, Antolin made his professional debut for Mura in the Slovenian PrvaLiga in a goalless draw against Tabor Sežana.
[5][6] On 16 July 2021, Antolin joined Maribor on a four-year contract.
[7] In August, he was sent on loan to the Slovenian Second League side Beltinci.
[8] After making 13 appearances and scoring 4 goals for Beltinci in the first half of the season,[9] he returned to Maribor for the second half of the season and made his debut on 21 February 2022 in a 4–1 league win over Radomlje.