Svit Sešlar

Sešlar grew up in Slovenske Konjice and started his career with local side Dravinja, and later also played youth football for Aluminij, Celje and Drava Ptuj. In early 2019, he signed for Slovenian top flight side Olimpija Ljubljana. He made his Slovenian PrvaLiga debut for Olimpija on 14 February 2021 in a 2–0 victory over Mura. In January 2022, he extended his contract with the club until 2026.

Sešlar made his Slovenia national team debut on 14 November 2024 in a Nations League game against Norway at the Stožice Stadium. He substituted Petar Stojanović in the 81st minute, as Norway won 4–1.

As of 26 June 2025

Sešlar is the son of Simon Sešlar, a former Slovenian international footballer. He has two sisters, Hana and Lina.