Nik Omladič

Omladič started his career at his hometown club Šmartno ob Paki. As a youngster, he moved to nearby Rudar Velenje. He made his Rudar debut on 29 October 2006 in the 2. SNL tie with Dravinja. Omladič began to establish himself in the Rudar first team during the 2006–07 season, making 15 appearances and scoring one goal. In the next season he was regular in the midfield, making 24 appearances and scoring three goals. Rudar was first in the 2. SNL and won promotion to the PrvaLiga. In his first season in Slovenian top division Omladič made 31 appearances and scored one goal. On 29 January 2010, it was announced that he signed a contract with Olimpija Ljubljana. On 9 January 2015, Omladič joined German club Eintracht Braunschweig, signing a two-and-a-half-year contract. At the end of the 2016–17 season, he chose not to extend his contract. On 6 June 2017, he signed for Greuther Fürth. On 27 January 2023, Omladič signed a contract with 3. Liga club Hallescher FC until the end of the 2022–23 season.

Omladič made his debut for the Slovenia under-21 team on 19 August 2008, coming in as a late substitute in a friendly match against England U21. On 30 March 2015, he made his debut for the senior team in a friendly against Qatar.